Elliott Hughes | 2faa5f1 | 2012-01-30 14:42:07 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
Elliott Hughes | 11e4507 | 2011-08-16 17:40:46 -0700 | [diff] [blame] | 16 | |
Elliott Hughes | 42ee142 | 2011-09-06 12:33:32 -0700 | [diff] [blame] | 17 | #include "utils.h" |
| 18 | |
Christopher Ferris | 943af7d | 2014-01-16 12:41:46 -0800 | [diff] [blame] | 19 | #include <inttypes.h> |
Elliott Hughes | 92b3b56 | 2011-09-08 16:32:26 -0700 | [diff] [blame] | 20 | #include <pthread.h> |
Brian Carlstrom | a9f1978 | 2011-10-13 00:14:47 -0700 | [diff] [blame] | 21 | #include <sys/stat.h> |
Elliott Hughes | 42ee142 | 2011-09-06 12:33:32 -0700 | [diff] [blame] | 22 | #include <sys/syscall.h> |
| 23 | #include <sys/types.h> |
Brian Carlstrom | 4cf5e57 | 2014-02-25 11:47:48 -0800 | [diff] [blame] | 24 | #include <sys/wait.h> |
Elliott Hughes | 42ee142 | 2011-09-06 12:33:32 -0700 | [diff] [blame] | 25 | #include <unistd.h> |
Ian Rogers | 700a402 | 2014-05-19 16:49:03 -0700 | [diff] [blame] | 26 | #include <memory> |
Elliott Hughes | 42ee142 | 2011-09-06 12:33:32 -0700 | [diff] [blame] | 27 | |
Brian Carlstrom | 6449c62 | 2014-02-10 23:48:36 -0800 | [diff] [blame] | 28 | #include "base/stl_util.h" |
Elliott Hughes | 7616005 | 2012-12-12 16:31:20 -0800 | [diff] [blame] | 29 | #include "base/unix_file/fd_file.h" |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 30 | #include "dex_file-inl.h" |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 31 | #include "mirror/art_field-inl.h" |
| 32 | #include "mirror/art_method-inl.h" |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 33 | #include "mirror/class-inl.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 34 | #include "mirror/class_loader.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 35 | #include "mirror/object-inl.h" |
| 36 | #include "mirror/object_array-inl.h" |
| 37 | #include "mirror/string.h" |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 38 | #include "os.h" |
Kenny Root | 067d20f | 2014-03-05 14:57:21 -0800 | [diff] [blame] | 39 | #include "scoped_thread_state_change.h" |
Ian Rogers | a672490 | 2013-09-23 09:23:37 -0700 | [diff] [blame] | 40 | #include "utf-inl.h" |
Elliott Hughes | 11e4507 | 2011-08-16 17:40:46 -0700 | [diff] [blame] | 41 | |
Elliott Hughes | ad6c9c3 | 2012-01-19 17:39:12 -0800 | [diff] [blame] | 42 | #if !defined(HAVE_POSIX_CLOCKS) |
| 43 | #include <sys/time.h> |
| 44 | #endif |
| 45 | |
Elliott Hughes | dcc2474 | 2011-09-07 14:02:44 -0700 | [diff] [blame] | 46 | #if defined(HAVE_PRCTL) |
| 47 | #include <sys/prctl.h> |
| 48 | #endif |
| 49 | |
Elliott Hughes | 4ae722a | 2012-03-13 11:08:51 -0700 | [diff] [blame] | 50 | #if defined(__APPLE__) |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 51 | #include "AvailabilityMacros.h" // For MAC_OS_X_VERSION_MAX_ALLOWED |
Elliott Hughes | f149843 | 2012-03-28 19:34:27 -0700 | [diff] [blame] | 52 | #include <sys/syscall.h> |
Elliott Hughes | 4ae722a | 2012-03-13 11:08:51 -0700 | [diff] [blame] | 53 | #endif |
| 54 | |
Christopher Ferris | 7b5f0cf | 2013-11-01 15:18:45 -0700 | [diff] [blame] | 55 | #include <backtrace/Backtrace.h> // For DumpNativeStack. |
Elliott Hughes | 46e251b | 2012-05-22 15:10:45 -0700 | [diff] [blame] | 56 | |
Elliott Hughes | 058a6de | 2012-05-24 19:13:02 -0700 | [diff] [blame] | 57 | #if defined(__linux__) |
Elliott Hughes | e1aee69 | 2012-01-17 16:40:10 -0800 | [diff] [blame] | 58 | #include <linux/unistd.h> |
Elliott Hughes | e1aee69 | 2012-01-17 16:40:10 -0800 | [diff] [blame] | 59 | #endif |
| 60 | |
Elliott Hughes | 11e4507 | 2011-08-16 17:40:46 -0700 | [diff] [blame] | 61 | namespace art { |
| 62 | |
Andreas Gampe | 8e1cb91 | 2015-01-08 20:11:09 -0800 | [diff] [blame] | 63 | #if defined(__linux__) |
| 64 | static constexpr bool kUseAddr2line = !kIsTargetBuild; |
| 65 | #endif |
| 66 | |
Elliott Hughes | 11d1b0c | 2012-01-23 16:57:47 -0800 | [diff] [blame] | 67 | pid_t GetTid() { |
Brian Carlstrom | f3a2641 | 2012-08-24 11:06:02 -0700 | [diff] [blame] | 68 | #if defined(__APPLE__) |
| 69 | uint64_t owner; |
| 70 | CHECK_PTHREAD_CALL(pthread_threadid_np, (NULL, &owner), __FUNCTION__); // Requires Mac OS 10.6 |
| 71 | return owner; |
Elliott Hughes | 323aa86 | 2014-08-20 15:00:04 -0700 | [diff] [blame] | 72 | #elif defined(__BIONIC__) |
| 73 | return gettid(); |
Elliott Hughes | 11d1b0c | 2012-01-23 16:57:47 -0800 | [diff] [blame] | 74 | #else |
Elliott Hughes | 11d1b0c | 2012-01-23 16:57:47 -0800 | [diff] [blame] | 75 | return syscall(__NR_gettid); |
| 76 | #endif |
| 77 | } |
| 78 | |
Elliott Hughes | 289be85 | 2012-06-12 13:57:20 -0700 | [diff] [blame] | 79 | std::string GetThreadName(pid_t tid) { |
| 80 | std::string result; |
| 81 | if (ReadFileToString(StringPrintf("/proc/self/task/%d/comm", tid), &result)) { |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 82 | result.resize(result.size() - 1); // Lose the trailing '\n'. |
Elliott Hughes | 289be85 | 2012-06-12 13:57:20 -0700 | [diff] [blame] | 83 | } else { |
| 84 | result = "<unknown>"; |
| 85 | } |
| 86 | return result; |
| 87 | } |
| 88 | |
Elliott Hughes | 6d3fc56 | 2014-08-27 11:47:01 -0700 | [diff] [blame] | 89 | void GetThreadStack(pthread_t thread, void** stack_base, size_t* stack_size, size_t* guard_size) { |
Elliott Hughes | e188419 | 2012-04-23 12:38:15 -0700 | [diff] [blame] | 90 | #if defined(__APPLE__) |
Brian Carlstrom | 2921201 | 2013-09-12 22:18:30 -0700 | [diff] [blame] | 91 | *stack_size = pthread_get_stacksize_np(thread); |
Ian Rogers | 120f1c7 | 2012-09-28 17:17:10 -0700 | [diff] [blame] | 92 | void* stack_addr = pthread_get_stackaddr_np(thread); |
Elliott Hughes | e188419 | 2012-04-23 12:38:15 -0700 | [diff] [blame] | 93 | |
| 94 | // Check whether stack_addr is the base or end of the stack. |
| 95 | // (On Mac OS 10.7, it's the end.) |
| 96 | int stack_variable; |
| 97 | if (stack_addr > &stack_variable) { |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 98 | *stack_base = reinterpret_cast<uint8_t*>(stack_addr) - *stack_size; |
Elliott Hughes | e188419 | 2012-04-23 12:38:15 -0700 | [diff] [blame] | 99 | } else { |
Brian Carlstrom | 2921201 | 2013-09-12 22:18:30 -0700 | [diff] [blame] | 100 | *stack_base = stack_addr; |
Elliott Hughes | e188419 | 2012-04-23 12:38:15 -0700 | [diff] [blame] | 101 | } |
Elliott Hughes | 6d3fc56 | 2014-08-27 11:47:01 -0700 | [diff] [blame] | 102 | |
| 103 | // This is wrong, but there doesn't seem to be a way to get the actual value on the Mac. |
| 104 | pthread_attr_t attributes; |
| 105 | CHECK_PTHREAD_CALL(pthread_attr_init, (&attributes), __FUNCTION__); |
| 106 | CHECK_PTHREAD_CALL(pthread_attr_getguardsize, (&attributes, guard_size), __FUNCTION__); |
| 107 | CHECK_PTHREAD_CALL(pthread_attr_destroy, (&attributes), __FUNCTION__); |
Elliott Hughes | e188419 | 2012-04-23 12:38:15 -0700 | [diff] [blame] | 108 | #else |
| 109 | pthread_attr_t attributes; |
Ian Rogers | 120f1c7 | 2012-09-28 17:17:10 -0700 | [diff] [blame] | 110 | CHECK_PTHREAD_CALL(pthread_getattr_np, (thread, &attributes), __FUNCTION__); |
Brian Carlstrom | 2921201 | 2013-09-12 22:18:30 -0700 | [diff] [blame] | 111 | CHECK_PTHREAD_CALL(pthread_attr_getstack, (&attributes, stack_base, stack_size), __FUNCTION__); |
Elliott Hughes | 6d3fc56 | 2014-08-27 11:47:01 -0700 | [diff] [blame] | 112 | CHECK_PTHREAD_CALL(pthread_attr_getguardsize, (&attributes, guard_size), __FUNCTION__); |
Elliott Hughes | e188419 | 2012-04-23 12:38:15 -0700 | [diff] [blame] | 113 | CHECK_PTHREAD_CALL(pthread_attr_destroy, (&attributes), __FUNCTION__); |
Elliott Hughes | 839cc30 | 2014-08-28 10:24:44 -0700 | [diff] [blame] | 114 | |
| 115 | #if defined(__GLIBC__) |
| 116 | // If we're the main thread, check whether we were run with an unlimited stack. In that case, |
| 117 | // glibc will have reported a 2GB stack for our 32-bit process, and our stack overflow detection |
| 118 | // will be broken because we'll die long before we get close to 2GB. |
| 119 | bool is_main_thread = (::art::GetTid() == getpid()); |
| 120 | if (is_main_thread) { |
| 121 | rlimit stack_limit; |
| 122 | if (getrlimit(RLIMIT_STACK, &stack_limit) == -1) { |
| 123 | PLOG(FATAL) << "getrlimit(RLIMIT_STACK) failed"; |
| 124 | } |
| 125 | if (stack_limit.rlim_cur == RLIM_INFINITY) { |
| 126 | size_t old_stack_size = *stack_size; |
| 127 | |
| 128 | // Use the kernel default limit as our size, and adjust the base to match. |
| 129 | *stack_size = 8 * MB; |
| 130 | *stack_base = reinterpret_cast<uint8_t*>(*stack_base) + (old_stack_size - *stack_size); |
| 131 | |
| 132 | VLOG(threads) << "Limiting unlimited stack (reported as " << PrettySize(old_stack_size) << ")" |
| 133 | << " to " << PrettySize(*stack_size) |
| 134 | << " with base " << *stack_base; |
| 135 | } |
| 136 | } |
| 137 | #endif |
| 138 | |
Elliott Hughes | e188419 | 2012-04-23 12:38:15 -0700 | [diff] [blame] | 139 | #endif |
| 140 | } |
| 141 | |
Elliott Hughes | d92bec4 | 2011-09-02 17:04:36 -0700 | [diff] [blame] | 142 | bool ReadFileToString(const std::string& file_name, std::string* result) { |
Ian Rogers | 700a402 | 2014-05-19 16:49:03 -0700 | [diff] [blame] | 143 | std::unique_ptr<File> file(new File); |
Elliott Hughes | 7616005 | 2012-12-12 16:31:20 -0800 | [diff] [blame] | 144 | if (!file->Open(file_name, O_RDONLY)) { |
Elliott Hughes | d92bec4 | 2011-09-02 17:04:36 -0700 | [diff] [blame] | 145 | return false; |
| 146 | } |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 147 | |
Elliott Hughes | 3b6baaa | 2011-10-14 19:13:56 -0700 | [diff] [blame] | 148 | std::vector<char> buf(8 * KB); |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 149 | while (true) { |
Elliott Hughes | 7616005 | 2012-12-12 16:31:20 -0800 | [diff] [blame] | 150 | int64_t n = TEMP_FAILURE_RETRY(read(file->Fd(), &buf[0], buf.size())); |
Elliott Hughes | d92bec4 | 2011-09-02 17:04:36 -0700 | [diff] [blame] | 151 | if (n == -1) { |
| 152 | return false; |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 153 | } |
Elliott Hughes | d92bec4 | 2011-09-02 17:04:36 -0700 | [diff] [blame] | 154 | if (n == 0) { |
| 155 | return true; |
| 156 | } |
Elliott Hughes | 3b6baaa | 2011-10-14 19:13:56 -0700 | [diff] [blame] | 157 | result->append(&buf[0], n); |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 158 | } |
buzbee | c143c55 | 2011-08-20 17:38:58 -0700 | [diff] [blame] | 159 | } |
| 160 | |
Elliott Hughes | e27955c | 2011-08-26 15:21:24 -0700 | [diff] [blame] | 161 | std::string GetIsoDate() { |
| 162 | time_t now = time(NULL); |
Elliott Hughes | 7b9d996 | 2012-04-20 18:48:18 -0700 | [diff] [blame] | 163 | tm tmbuf; |
| 164 | tm* ptm = localtime_r(&now, &tmbuf); |
Elliott Hughes | e27955c | 2011-08-26 15:21:24 -0700 | [diff] [blame] | 165 | return StringPrintf("%04d-%02d-%02d %02d:%02d:%02d", |
| 166 | ptm->tm_year + 1900, ptm->tm_mon+1, ptm->tm_mday, |
| 167 | ptm->tm_hour, ptm->tm_min, ptm->tm_sec); |
| 168 | } |
| 169 | |
Elliott Hughes | 7162ad9 | 2011-10-27 14:08:42 -0700 | [diff] [blame] | 170 | uint64_t MilliTime() { |
Elliott Hughes | ad6c9c3 | 2012-01-19 17:39:12 -0800 | [diff] [blame] | 171 | #if defined(HAVE_POSIX_CLOCKS) |
Elliott Hughes | 7b9d996 | 2012-04-20 18:48:18 -0700 | [diff] [blame] | 172 | timespec now; |
Elliott Hughes | 7162ad9 | 2011-10-27 14:08:42 -0700 | [diff] [blame] | 173 | clock_gettime(CLOCK_MONOTONIC, &now); |
Ian Rogers | 0f67847 | 2014-03-10 16:18:37 -0700 | [diff] [blame] | 174 | return static_cast<uint64_t>(now.tv_sec) * UINT64_C(1000) + now.tv_nsec / UINT64_C(1000000); |
Elliott Hughes | ad6c9c3 | 2012-01-19 17:39:12 -0800 | [diff] [blame] | 175 | #else |
Elliott Hughes | 7b9d996 | 2012-04-20 18:48:18 -0700 | [diff] [blame] | 176 | timeval now; |
Elliott Hughes | ad6c9c3 | 2012-01-19 17:39:12 -0800 | [diff] [blame] | 177 | gettimeofday(&now, NULL); |
Ian Rogers | 0f67847 | 2014-03-10 16:18:37 -0700 | [diff] [blame] | 178 | return static_cast<uint64_t>(now.tv_sec) * UINT64_C(1000) + now.tv_usec / UINT64_C(1000); |
Elliott Hughes | ad6c9c3 | 2012-01-19 17:39:12 -0800 | [diff] [blame] | 179 | #endif |
Elliott Hughes | 7162ad9 | 2011-10-27 14:08:42 -0700 | [diff] [blame] | 180 | } |
| 181 | |
jeffhao | a9ef3fd | 2011-12-13 18:33:43 -0800 | [diff] [blame] | 182 | uint64_t MicroTime() { |
Elliott Hughes | ad6c9c3 | 2012-01-19 17:39:12 -0800 | [diff] [blame] | 183 | #if defined(HAVE_POSIX_CLOCKS) |
Elliott Hughes | 7b9d996 | 2012-04-20 18:48:18 -0700 | [diff] [blame] | 184 | timespec now; |
jeffhao | a9ef3fd | 2011-12-13 18:33:43 -0800 | [diff] [blame] | 185 | clock_gettime(CLOCK_MONOTONIC, &now); |
Ian Rogers | 0f67847 | 2014-03-10 16:18:37 -0700 | [diff] [blame] | 186 | return static_cast<uint64_t>(now.tv_sec) * UINT64_C(1000000) + now.tv_nsec / UINT64_C(1000); |
Elliott Hughes | ad6c9c3 | 2012-01-19 17:39:12 -0800 | [diff] [blame] | 187 | #else |
Elliott Hughes | 7b9d996 | 2012-04-20 18:48:18 -0700 | [diff] [blame] | 188 | timeval now; |
Elliott Hughes | ad6c9c3 | 2012-01-19 17:39:12 -0800 | [diff] [blame] | 189 | gettimeofday(&now, NULL); |
Ian Rogers | 0f67847 | 2014-03-10 16:18:37 -0700 | [diff] [blame] | 190 | return static_cast<uint64_t>(now.tv_sec) * UINT64_C(1000000) + now.tv_usec; |
Elliott Hughes | ad6c9c3 | 2012-01-19 17:39:12 -0800 | [diff] [blame] | 191 | #endif |
jeffhao | a9ef3fd | 2011-12-13 18:33:43 -0800 | [diff] [blame] | 192 | } |
| 193 | |
Elliott Hughes | 83df2ac | 2011-10-11 16:37:54 -0700 | [diff] [blame] | 194 | uint64_t NanoTime() { |
Elliott Hughes | ad6c9c3 | 2012-01-19 17:39:12 -0800 | [diff] [blame] | 195 | #if defined(HAVE_POSIX_CLOCKS) |
Elliott Hughes | 7b9d996 | 2012-04-20 18:48:18 -0700 | [diff] [blame] | 196 | timespec now; |
Elliott Hughes | 83df2ac | 2011-10-11 16:37:54 -0700 | [diff] [blame] | 197 | clock_gettime(CLOCK_MONOTONIC, &now); |
Ian Rogers | 0f67847 | 2014-03-10 16:18:37 -0700 | [diff] [blame] | 198 | return static_cast<uint64_t>(now.tv_sec) * UINT64_C(1000000000) + now.tv_nsec; |
Elliott Hughes | ad6c9c3 | 2012-01-19 17:39:12 -0800 | [diff] [blame] | 199 | #else |
Elliott Hughes | 7b9d996 | 2012-04-20 18:48:18 -0700 | [diff] [blame] | 200 | timeval now; |
Elliott Hughes | ad6c9c3 | 2012-01-19 17:39:12 -0800 | [diff] [blame] | 201 | gettimeofday(&now, NULL); |
Ian Rogers | 0f67847 | 2014-03-10 16:18:37 -0700 | [diff] [blame] | 202 | return static_cast<uint64_t>(now.tv_sec) * UINT64_C(1000000000) + now.tv_usec * UINT64_C(1000); |
Elliott Hughes | ad6c9c3 | 2012-01-19 17:39:12 -0800 | [diff] [blame] | 203 | #endif |
Elliott Hughes | 83df2ac | 2011-10-11 16:37:54 -0700 | [diff] [blame] | 204 | } |
| 205 | |
Elliott Hughes | 0512f02 | 2012-03-15 22:10:52 -0700 | [diff] [blame] | 206 | uint64_t ThreadCpuNanoTime() { |
| 207 | #if defined(HAVE_POSIX_CLOCKS) |
Elliott Hughes | 7b9d996 | 2012-04-20 18:48:18 -0700 | [diff] [blame] | 208 | timespec now; |
Elliott Hughes | 0512f02 | 2012-03-15 22:10:52 -0700 | [diff] [blame] | 209 | clock_gettime(CLOCK_THREAD_CPUTIME_ID, &now); |
Ian Rogers | 0f67847 | 2014-03-10 16:18:37 -0700 | [diff] [blame] | 210 | return static_cast<uint64_t>(now.tv_sec) * UINT64_C(1000000000) + now.tv_nsec; |
Elliott Hughes | 0512f02 | 2012-03-15 22:10:52 -0700 | [diff] [blame] | 211 | #else |
| 212 | UNIMPLEMENTED(WARNING); |
| 213 | return -1; |
| 214 | #endif |
| 215 | } |
| 216 | |
Ian Rogers | 56edc43 | 2013-01-18 16:51:51 -0800 | [diff] [blame] | 217 | void NanoSleep(uint64_t ns) { |
| 218 | timespec tm; |
| 219 | tm.tv_sec = 0; |
| 220 | tm.tv_nsec = ns; |
| 221 | nanosleep(&tm, NULL); |
| 222 | } |
| 223 | |
Brian Carlstrom | bcc2926 | 2012-11-02 11:36:03 -0700 | [diff] [blame] | 224 | void InitTimeSpec(bool absolute, int clock, int64_t ms, int32_t ns, timespec* ts) { |
| 225 | int64_t endSec; |
| 226 | |
| 227 | if (absolute) { |
| 228 | #if !defined(__APPLE__) |
| 229 | clock_gettime(clock, ts); |
| 230 | #else |
| 231 | UNUSED(clock); |
| 232 | timeval tv; |
| 233 | gettimeofday(&tv, NULL); |
| 234 | ts->tv_sec = tv.tv_sec; |
| 235 | ts->tv_nsec = tv.tv_usec * 1000; |
| 236 | #endif |
| 237 | } else { |
| 238 | ts->tv_sec = 0; |
| 239 | ts->tv_nsec = 0; |
| 240 | } |
| 241 | endSec = ts->tv_sec + ms / 1000; |
| 242 | if (UNLIKELY(endSec >= 0x7fffffff)) { |
| 243 | std::ostringstream ss; |
| 244 | LOG(INFO) << "Note: end time exceeds epoch: " << ss.str(); |
| 245 | endSec = 0x7ffffffe; |
| 246 | } |
| 247 | ts->tv_sec = endSec; |
| 248 | ts->tv_nsec = (ts->tv_nsec + (ms % 1000) * 1000000) + ns; |
| 249 | |
| 250 | // Catch rollover. |
| 251 | if (ts->tv_nsec >= 1000000000L) { |
| 252 | ts->tv_sec++; |
| 253 | ts->tv_nsec -= 1000000000L; |
| 254 | } |
| 255 | } |
| 256 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 257 | std::string PrettyDescriptor(mirror::String* java_descriptor) { |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 258 | if (java_descriptor == NULL) { |
| 259 | return "null"; |
| 260 | } |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 261 | return PrettyDescriptor(java_descriptor->ToModifiedUtf8().c_str()); |
Elliott Hughes | 6c8867d | 2011-10-03 16:34:05 -0700 | [diff] [blame] | 262 | } |
Elliott Hughes | 5174fe6 | 2011-08-23 15:12:35 -0700 | [diff] [blame] | 263 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 264 | std::string PrettyDescriptor(mirror::Class* klass) { |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 265 | if (klass == NULL) { |
| 266 | return "null"; |
| 267 | } |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 268 | std::string temp; |
| 269 | return PrettyDescriptor(klass->GetDescriptor(&temp)); |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 270 | } |
| 271 | |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 272 | std::string PrettyDescriptor(const char* descriptor) { |
Elliott Hughes | 11e4507 | 2011-08-16 17:40:46 -0700 | [diff] [blame] | 273 | // Count the number of '['s to get the dimensionality. |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 274 | const char* c = descriptor; |
Elliott Hughes | 11e4507 | 2011-08-16 17:40:46 -0700 | [diff] [blame] | 275 | size_t dim = 0; |
| 276 | while (*c == '[') { |
| 277 | dim++; |
| 278 | c++; |
| 279 | } |
| 280 | |
| 281 | // Reference or primitive? |
| 282 | if (*c == 'L') { |
| 283 | // "[[La/b/C;" -> "a.b.C[][]". |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 284 | c++; // Skip the 'L'. |
Elliott Hughes | 11e4507 | 2011-08-16 17:40:46 -0700 | [diff] [blame] | 285 | } else { |
| 286 | // "[[B" -> "byte[][]". |
| 287 | // To make life easier, we make primitives look like unqualified |
| 288 | // reference types. |
| 289 | switch (*c) { |
| 290 | case 'B': c = "byte;"; break; |
| 291 | case 'C': c = "char;"; break; |
| 292 | case 'D': c = "double;"; break; |
| 293 | case 'F': c = "float;"; break; |
| 294 | case 'I': c = "int;"; break; |
| 295 | case 'J': c = "long;"; break; |
| 296 | case 'S': c = "short;"; break; |
| 297 | case 'Z': c = "boolean;"; break; |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 298 | case 'V': c = "void;"; break; // Used when decoding return types. |
Elliott Hughes | 5174fe6 | 2011-08-23 15:12:35 -0700 | [diff] [blame] | 299 | default: return descriptor; |
Elliott Hughes | 11e4507 | 2011-08-16 17:40:46 -0700 | [diff] [blame] | 300 | } |
| 301 | } |
| 302 | |
| 303 | // At this point, 'c' is a string of the form "fully/qualified/Type;" |
| 304 | // or "primitive;". Rewrite the type with '.' instead of '/': |
| 305 | std::string result; |
| 306 | const char* p = c; |
| 307 | while (*p != ';') { |
| 308 | char ch = *p++; |
| 309 | if (ch == '/') { |
| 310 | ch = '.'; |
| 311 | } |
| 312 | result.push_back(ch); |
| 313 | } |
| 314 | // ...and replace the semicolon with 'dim' "[]" pairs: |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 315 | for (size_t i = 0; i < dim; ++i) { |
Elliott Hughes | 11e4507 | 2011-08-16 17:40:46 -0700 | [diff] [blame] | 316 | result += "[]"; |
| 317 | } |
| 318 | return result; |
| 319 | } |
| 320 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 321 | std::string PrettyField(mirror::ArtField* f, bool with_type) { |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 322 | if (f == NULL) { |
| 323 | return "null"; |
| 324 | } |
Elliott Hughes | 54e7df1 | 2011-09-16 11:47:04 -0700 | [diff] [blame] | 325 | std::string result; |
| 326 | if (with_type) { |
Mathieu Chartier | 61c5ebc | 2014-06-05 17:42:53 -0700 | [diff] [blame] | 327 | result += PrettyDescriptor(f->GetTypeDescriptor()); |
Elliott Hughes | 54e7df1 | 2011-09-16 11:47:04 -0700 | [diff] [blame] | 328 | result += ' '; |
| 329 | } |
Ian Rogers | 08f1f50 | 2014-12-02 15:04:37 -0800 | [diff] [blame] | 330 | std::string temp; |
| 331 | result += PrettyDescriptor(f->GetDeclaringClass()->GetDescriptor(&temp)); |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 332 | result += '.'; |
Mathieu Chartier | 61c5ebc | 2014-06-05 17:42:53 -0700 | [diff] [blame] | 333 | result += f->GetName(); |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 334 | return result; |
| 335 | } |
| 336 | |
Brian Carlstrom | 6f29d0e | 2012-05-11 15:50:29 -0700 | [diff] [blame] | 337 | std::string PrettyField(uint32_t field_idx, const DexFile& dex_file, bool with_type) { |
Elliott Hughes | 60641a7 | 2013-02-27 14:36:16 -0800 | [diff] [blame] | 338 | if (field_idx >= dex_file.NumFieldIds()) { |
| 339 | return StringPrintf("<<invalid-field-idx-%d>>", field_idx); |
| 340 | } |
Brian Carlstrom | 6f29d0e | 2012-05-11 15:50:29 -0700 | [diff] [blame] | 341 | const DexFile::FieldId& field_id = dex_file.GetFieldId(field_idx); |
| 342 | std::string result; |
| 343 | if (with_type) { |
| 344 | result += dex_file.GetFieldTypeDescriptor(field_id); |
| 345 | result += ' '; |
| 346 | } |
| 347 | result += PrettyDescriptor(dex_file.GetFieldDeclaringClassDescriptor(field_id)); |
| 348 | result += '.'; |
| 349 | result += dex_file.GetFieldName(field_id); |
| 350 | return result; |
| 351 | } |
| 352 | |
Mathieu Chartier | 18c24b6 | 2012-09-10 08:54:25 -0700 | [diff] [blame] | 353 | std::string PrettyType(uint32_t type_idx, const DexFile& dex_file) { |
Elliott Hughes | 60641a7 | 2013-02-27 14:36:16 -0800 | [diff] [blame] | 354 | if (type_idx >= dex_file.NumTypeIds()) { |
| 355 | return StringPrintf("<<invalid-type-idx-%d>>", type_idx); |
| 356 | } |
Mathieu Chartier | 18c24b6 | 2012-09-10 08:54:25 -0700 | [diff] [blame] | 357 | const DexFile::TypeId& type_id = dex_file.GetTypeId(type_idx); |
Mathieu Chartier | 4c70d77 | 2012-09-10 14:08:32 -0700 | [diff] [blame] | 358 | return PrettyDescriptor(dex_file.GetTypeDescriptor(type_id)); |
Mathieu Chartier | 18c24b6 | 2012-09-10 08:54:25 -0700 | [diff] [blame] | 359 | } |
| 360 | |
Elliott Hughes | 9058f2b | 2012-03-22 18:06:48 -0700 | [diff] [blame] | 361 | std::string PrettyArguments(const char* signature) { |
| 362 | std::string result; |
| 363 | result += '('; |
| 364 | CHECK_EQ(*signature, '('); |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 365 | ++signature; // Skip the '('. |
Elliott Hughes | 9058f2b | 2012-03-22 18:06:48 -0700 | [diff] [blame] | 366 | while (*signature != ')') { |
| 367 | size_t argument_length = 0; |
| 368 | while (signature[argument_length] == '[') { |
| 369 | ++argument_length; |
| 370 | } |
| 371 | if (signature[argument_length] == 'L') { |
| 372 | argument_length = (strchr(signature, ';') - signature + 1); |
| 373 | } else { |
| 374 | ++argument_length; |
| 375 | } |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 376 | { |
| 377 | std::string argument_descriptor(signature, argument_length); |
| 378 | result += PrettyDescriptor(argument_descriptor.c_str()); |
| 379 | } |
Elliott Hughes | 9058f2b | 2012-03-22 18:06:48 -0700 | [diff] [blame] | 380 | if (signature[argument_length] != ')') { |
| 381 | result += ", "; |
| 382 | } |
| 383 | signature += argument_length; |
| 384 | } |
| 385 | CHECK_EQ(*signature, ')'); |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 386 | ++signature; // Skip the ')'. |
Elliott Hughes | 9058f2b | 2012-03-22 18:06:48 -0700 | [diff] [blame] | 387 | result += ')'; |
| 388 | return result; |
| 389 | } |
| 390 | |
| 391 | std::string PrettyReturnType(const char* signature) { |
| 392 | const char* return_type = strchr(signature, ')'); |
| 393 | CHECK(return_type != NULL); |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 394 | ++return_type; // Skip ')'. |
Elliott Hughes | 9058f2b | 2012-03-22 18:06:48 -0700 | [diff] [blame] | 395 | return PrettyDescriptor(return_type); |
| 396 | } |
| 397 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 398 | std::string PrettyMethod(mirror::ArtMethod* m, bool with_signature) { |
Ian Rogers | 16ce092 | 2014-01-10 14:59:36 -0800 | [diff] [blame] | 399 | if (m == nullptr) { |
Elliott Hughes | a0b8feb | 2011-08-20 09:50:55 -0700 | [diff] [blame] | 400 | return "null"; |
| 401 | } |
Mathieu Chartier | bfd9a43 | 2014-05-21 17:43:44 -0700 | [diff] [blame] | 402 | std::string result(PrettyDescriptor(m->GetDeclaringClassDescriptor())); |
Elliott Hughes | a0b8feb | 2011-08-20 09:50:55 -0700 | [diff] [blame] | 403 | result += '.'; |
Mathieu Chartier | bfd9a43 | 2014-05-21 17:43:44 -0700 | [diff] [blame] | 404 | result += m->GetName(); |
Ian Rogers | 16ce092 | 2014-01-10 14:59:36 -0800 | [diff] [blame] | 405 | if (UNLIKELY(m->IsFastNative())) { |
| 406 | result += "!"; |
| 407 | } |
Elliott Hughes | a0b8feb | 2011-08-20 09:50:55 -0700 | [diff] [blame] | 408 | if (with_signature) { |
Mathieu Chartier | bfd9a43 | 2014-05-21 17:43:44 -0700 | [diff] [blame] | 409 | const Signature signature = m->GetSignature(); |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 410 | std::string sig_as_string(signature.ToString()); |
| 411 | if (signature == Signature::NoSignature()) { |
| 412 | return result + sig_as_string; |
Elliott Hughes | f8c1193 | 2012-03-23 19:53:59 -0700 | [diff] [blame] | 413 | } |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 414 | result = PrettyReturnType(sig_as_string.c_str()) + " " + result + |
| 415 | PrettyArguments(sig_as_string.c_str()); |
Elliott Hughes | a0b8feb | 2011-08-20 09:50:55 -0700 | [diff] [blame] | 416 | } |
| 417 | return result; |
| 418 | } |
| 419 | |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 420 | std::string PrettyMethod(uint32_t method_idx, const DexFile& dex_file, bool with_signature) { |
Elliott Hughes | 60641a7 | 2013-02-27 14:36:16 -0800 | [diff] [blame] | 421 | if (method_idx >= dex_file.NumMethodIds()) { |
| 422 | return StringPrintf("<<invalid-method-idx-%d>>", method_idx); |
| 423 | } |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 424 | const DexFile::MethodId& method_id = dex_file.GetMethodId(method_idx); |
| 425 | std::string result(PrettyDescriptor(dex_file.GetMethodDeclaringClassDescriptor(method_id))); |
| 426 | result += '.'; |
| 427 | result += dex_file.GetMethodName(method_id); |
| 428 | if (with_signature) { |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 429 | const Signature signature = dex_file.GetMethodSignature(method_id); |
| 430 | std::string sig_as_string(signature.ToString()); |
| 431 | if (signature == Signature::NoSignature()) { |
| 432 | return result + sig_as_string; |
Elliott Hughes | f8c1193 | 2012-03-23 19:53:59 -0700 | [diff] [blame] | 433 | } |
Ian Rogers | d91d6d6 | 2013-09-25 20:26:14 -0700 | [diff] [blame] | 434 | result = PrettyReturnType(sig_as_string.c_str()) + " " + result + |
| 435 | PrettyArguments(sig_as_string.c_str()); |
Ian Rogers | 0571d35 | 2011-11-03 19:51:38 -0700 | [diff] [blame] | 436 | } |
| 437 | return result; |
| 438 | } |
| 439 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 440 | std::string PrettyTypeOf(mirror::Object* obj) { |
Elliott Hughes | 11e4507 | 2011-08-16 17:40:46 -0700 | [diff] [blame] | 441 | if (obj == NULL) { |
| 442 | return "null"; |
| 443 | } |
| 444 | if (obj->GetClass() == NULL) { |
| 445 | return "(raw)"; |
| 446 | } |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 447 | std::string temp; |
| 448 | std::string result(PrettyDescriptor(obj->GetClass()->GetDescriptor(&temp))); |
Elliott Hughes | 11e4507 | 2011-08-16 17:40:46 -0700 | [diff] [blame] | 449 | if (obj->IsClass()) { |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 450 | result += "<" + PrettyDescriptor(obj->AsClass()->GetDescriptor(&temp)) + ">"; |
Elliott Hughes | 11e4507 | 2011-08-16 17:40:46 -0700 | [diff] [blame] | 451 | } |
| 452 | return result; |
| 453 | } |
| 454 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 455 | std::string PrettyClass(mirror::Class* c) { |
Elliott Hughes | 54e7df1 | 2011-09-16 11:47:04 -0700 | [diff] [blame] | 456 | if (c == NULL) { |
| 457 | return "null"; |
| 458 | } |
| 459 | std::string result; |
| 460 | result += "java.lang.Class<"; |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 461 | result += PrettyDescriptor(c); |
Elliott Hughes | 54e7df1 | 2011-09-16 11:47:04 -0700 | [diff] [blame] | 462 | result += ">"; |
| 463 | return result; |
| 464 | } |
| 465 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 466 | std::string PrettyClassAndClassLoader(mirror::Class* c) { |
Ian Rogers | d81871c | 2011-10-03 13:57:23 -0700 | [diff] [blame] | 467 | if (c == NULL) { |
| 468 | return "null"; |
| 469 | } |
| 470 | std::string result; |
| 471 | result += "java.lang.Class<"; |
Ian Rogers | 6d4d9fc | 2011-11-30 16:24:48 -0800 | [diff] [blame] | 472 | result += PrettyDescriptor(c); |
Ian Rogers | d81871c | 2011-10-03 13:57:23 -0700 | [diff] [blame] | 473 | result += ","; |
| 474 | result += PrettyTypeOf(c->GetClassLoader()); |
| 475 | // TODO: add an identifying hash value for the loader |
| 476 | result += ">"; |
| 477 | return result; |
| 478 | } |
| 479 | |
Andreas Gampe | c0d8229 | 2014-09-23 10:38:30 -0700 | [diff] [blame] | 480 | std::string PrettyJavaAccessFlags(uint32_t access_flags) { |
| 481 | std::string result; |
| 482 | if ((access_flags & kAccPublic) != 0) { |
| 483 | result += "public "; |
| 484 | } |
| 485 | if ((access_flags & kAccProtected) != 0) { |
| 486 | result += "protected "; |
| 487 | } |
| 488 | if ((access_flags & kAccPrivate) != 0) { |
| 489 | result += "private "; |
| 490 | } |
| 491 | if ((access_flags & kAccFinal) != 0) { |
| 492 | result += "final "; |
| 493 | } |
| 494 | if ((access_flags & kAccStatic) != 0) { |
| 495 | result += "static "; |
| 496 | } |
| 497 | if ((access_flags & kAccTransient) != 0) { |
| 498 | result += "transient "; |
| 499 | } |
| 500 | if ((access_flags & kAccVolatile) != 0) { |
| 501 | result += "volatile "; |
| 502 | } |
| 503 | if ((access_flags & kAccSynchronized) != 0) { |
| 504 | result += "synchronized "; |
| 505 | } |
| 506 | return result; |
| 507 | } |
| 508 | |
Mathieu Chartier | e6da9af | 2013-12-16 11:54:42 -0800 | [diff] [blame] | 509 | std::string PrettySize(int64_t byte_count) { |
Elliott Hughes | c967f78 | 2012-04-16 10:23:15 -0700 | [diff] [blame] | 510 | // The byte thresholds at which we display amounts. A byte count is displayed |
| 511 | // in unit U when kUnitThresholds[U] <= bytes < kUnitThresholds[U+1]. |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 512 | static const int64_t kUnitThresholds[] = { |
Elliott Hughes | c967f78 | 2012-04-16 10:23:15 -0700 | [diff] [blame] | 513 | 0, // B up to... |
| 514 | 3*1024, // KB up to... |
| 515 | 2*1024*1024, // MB up to... |
| 516 | 1024*1024*1024 // GB from here. |
| 517 | }; |
Mathieu Chartier | e6da9af | 2013-12-16 11:54:42 -0800 | [diff] [blame] | 518 | static const int64_t kBytesPerUnit[] = { 1, KB, MB, GB }; |
Elliott Hughes | c967f78 | 2012-04-16 10:23:15 -0700 | [diff] [blame] | 519 | static const char* const kUnitStrings[] = { "B", "KB", "MB", "GB" }; |
Mathieu Chartier | e6da9af | 2013-12-16 11:54:42 -0800 | [diff] [blame] | 520 | const char* negative_str = ""; |
| 521 | if (byte_count < 0) { |
| 522 | negative_str = "-"; |
| 523 | byte_count = -byte_count; |
| 524 | } |
Elliott Hughes | c967f78 | 2012-04-16 10:23:15 -0700 | [diff] [blame] | 525 | int i = arraysize(kUnitThresholds); |
| 526 | while (--i > 0) { |
| 527 | if (byte_count >= kUnitThresholds[i]) { |
| 528 | break; |
| 529 | } |
Ian Rogers | 3bb17a6 | 2012-01-27 23:56:44 -0800 | [diff] [blame] | 530 | } |
Brian Carlstrom | 474cc79 | 2014-03-07 14:18:15 -0800 | [diff] [blame] | 531 | return StringPrintf("%s%" PRId64 "%s", |
| 532 | negative_str, byte_count / kBytesPerUnit[i], kUnitStrings[i]); |
Ian Rogers | 3bb17a6 | 2012-01-27 23:56:44 -0800 | [diff] [blame] | 533 | } |
| 534 | |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 535 | std::string PrettyDuration(uint64_t nano_duration, size_t max_fraction_digits) { |
Ian Rogers | 3bb17a6 | 2012-01-27 23:56:44 -0800 | [diff] [blame] | 536 | if (nano_duration == 0) { |
| 537 | return "0"; |
| 538 | } else { |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 539 | return FormatDuration(nano_duration, GetAppropriateTimeUnit(nano_duration), |
| 540 | max_fraction_digits); |
Mathieu Chartier | 0325e62 | 2012-09-05 14:22:51 -0700 | [diff] [blame] | 541 | } |
| 542 | } |
| 543 | |
| 544 | TimeUnit GetAppropriateTimeUnit(uint64_t nano_duration) { |
| 545 | const uint64_t one_sec = 1000 * 1000 * 1000; |
| 546 | const uint64_t one_ms = 1000 * 1000; |
| 547 | const uint64_t one_us = 1000; |
| 548 | if (nano_duration >= one_sec) { |
| 549 | return kTimeUnitSecond; |
| 550 | } else if (nano_duration >= one_ms) { |
| 551 | return kTimeUnitMillisecond; |
| 552 | } else if (nano_duration >= one_us) { |
| 553 | return kTimeUnitMicrosecond; |
| 554 | } else { |
| 555 | return kTimeUnitNanosecond; |
| 556 | } |
| 557 | } |
| 558 | |
| 559 | uint64_t GetNsToTimeUnitDivisor(TimeUnit time_unit) { |
| 560 | const uint64_t one_sec = 1000 * 1000 * 1000; |
| 561 | const uint64_t one_ms = 1000 * 1000; |
| 562 | const uint64_t one_us = 1000; |
| 563 | |
| 564 | switch (time_unit) { |
| 565 | case kTimeUnitSecond: |
| 566 | return one_sec; |
| 567 | case kTimeUnitMillisecond: |
| 568 | return one_ms; |
| 569 | case kTimeUnitMicrosecond: |
| 570 | return one_us; |
| 571 | case kTimeUnitNanosecond: |
| 572 | return 1; |
| 573 | } |
| 574 | return 0; |
| 575 | } |
| 576 | |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 577 | std::string FormatDuration(uint64_t nano_duration, TimeUnit time_unit, |
| 578 | size_t max_fraction_digits) { |
| 579 | const char* unit = nullptr; |
Mathieu Chartier | 0325e62 | 2012-09-05 14:22:51 -0700 | [diff] [blame] | 580 | uint64_t divisor = GetNsToTimeUnitDivisor(time_unit); |
Mathieu Chartier | 0325e62 | 2012-09-05 14:22:51 -0700 | [diff] [blame] | 581 | switch (time_unit) { |
| 582 | case kTimeUnitSecond: |
Ian Rogers | 3bb17a6 | 2012-01-27 23:56:44 -0800 | [diff] [blame] | 583 | unit = "s"; |
Mathieu Chartier | 0325e62 | 2012-09-05 14:22:51 -0700 | [diff] [blame] | 584 | break; |
| 585 | case kTimeUnitMillisecond: |
Ian Rogers | 3bb17a6 | 2012-01-27 23:56:44 -0800 | [diff] [blame] | 586 | unit = "ms"; |
Mathieu Chartier | 0325e62 | 2012-09-05 14:22:51 -0700 | [diff] [blame] | 587 | break; |
| 588 | case kTimeUnitMicrosecond: |
Ian Rogers | 3bb17a6 | 2012-01-27 23:56:44 -0800 | [diff] [blame] | 589 | unit = "us"; |
Mathieu Chartier | 0325e62 | 2012-09-05 14:22:51 -0700 | [diff] [blame] | 590 | break; |
| 591 | case kTimeUnitNanosecond: |
Ian Rogers | 3bb17a6 | 2012-01-27 23:56:44 -0800 | [diff] [blame] | 592 | unit = "ns"; |
Mathieu Chartier | 0325e62 | 2012-09-05 14:22:51 -0700 | [diff] [blame] | 593 | break; |
| 594 | } |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 595 | const uint64_t whole_part = nano_duration / divisor; |
Mathieu Chartier | 0325e62 | 2012-09-05 14:22:51 -0700 | [diff] [blame] | 596 | uint64_t fractional_part = nano_duration % divisor; |
| 597 | if (fractional_part == 0) { |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 598 | return StringPrintf("%" PRIu64 "%s", whole_part, unit); |
Mathieu Chartier | 0325e62 | 2012-09-05 14:22:51 -0700 | [diff] [blame] | 599 | } else { |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 600 | static constexpr size_t kMaxDigits = 30; |
Andreas Gampe | 829b4ba | 2014-06-26 13:49:36 -0700 | [diff] [blame] | 601 | size_t avail_digits = kMaxDigits; |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 602 | char fraction_buffer[kMaxDigits]; |
| 603 | char* ptr = fraction_buffer; |
| 604 | uint64_t multiplier = 10; |
| 605 | // This infinite loops if fractional part is 0. |
Andreas Gampe | 829b4ba | 2014-06-26 13:49:36 -0700 | [diff] [blame] | 606 | while (avail_digits > 1 && fractional_part * multiplier < divisor) { |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 607 | multiplier *= 10; |
| 608 | *ptr++ = '0'; |
Andreas Gampe | 829b4ba | 2014-06-26 13:49:36 -0700 | [diff] [blame] | 609 | avail_digits--; |
Ian Rogers | 3bb17a6 | 2012-01-27 23:56:44 -0800 | [diff] [blame] | 610 | } |
Andreas Gampe | 829b4ba | 2014-06-26 13:49:36 -0700 | [diff] [blame] | 611 | snprintf(ptr, avail_digits, "%" PRIu64, fractional_part); |
Mathieu Chartier | f5997b4 | 2014-06-20 10:37:54 -0700 | [diff] [blame] | 612 | fraction_buffer[std::min(kMaxDigits - 1, max_fraction_digits)] = '\0'; |
| 613 | return StringPrintf("%" PRIu64 ".%s%s", whole_part, fraction_buffer, unit); |
Ian Rogers | 3bb17a6 | 2012-01-27 23:56:44 -0800 | [diff] [blame] | 614 | } |
| 615 | } |
| 616 | |
Ian Rogers | 576ca0c | 2014-06-06 15:58:22 -0700 | [diff] [blame] | 617 | std::string PrintableChar(uint16_t ch) { |
| 618 | std::string result; |
| 619 | result += '\''; |
| 620 | if (NeedsEscaping(ch)) { |
| 621 | StringAppendF(&result, "\\u%04x", ch); |
| 622 | } else { |
| 623 | result += ch; |
| 624 | } |
| 625 | result += '\''; |
| 626 | return result; |
| 627 | } |
| 628 | |
Ian Rogers | 68b5685 | 2014-08-29 20:19:11 -0700 | [diff] [blame] | 629 | std::string PrintableString(const char* utf) { |
Elliott Hughes | 82914b6 | 2012-04-09 15:56:29 -0700 | [diff] [blame] | 630 | std::string result; |
| 631 | result += '"'; |
Ian Rogers | 68b5685 | 2014-08-29 20:19:11 -0700 | [diff] [blame] | 632 | const char* p = utf; |
Elliott Hughes | 82914b6 | 2012-04-09 15:56:29 -0700 | [diff] [blame] | 633 | size_t char_count = CountModifiedUtf8Chars(p); |
| 634 | for (size_t i = 0; i < char_count; ++i) { |
| 635 | uint16_t ch = GetUtf16FromUtf8(&p); |
| 636 | if (ch == '\\') { |
| 637 | result += "\\\\"; |
| 638 | } else if (ch == '\n') { |
| 639 | result += "\\n"; |
| 640 | } else if (ch == '\r') { |
| 641 | result += "\\r"; |
| 642 | } else if (ch == '\t') { |
| 643 | result += "\\t"; |
| 644 | } else if (NeedsEscaping(ch)) { |
| 645 | StringAppendF(&result, "\\u%04x", ch); |
| 646 | } else { |
| 647 | result += ch; |
| 648 | } |
| 649 | } |
| 650 | result += '"'; |
| 651 | return result; |
| 652 | } |
| 653 | |
Elliott Hughes | d8c00d0 | 2012-01-30 14:08:31 -0800 | [diff] [blame] | 654 | // See http://java.sun.com/j2se/1.5.0/docs/guide/jni/spec/design.html#wp615 for the full rules. |
Elliott Hughes | 79082e3 | 2011-08-25 12:07:32 -0700 | [diff] [blame] | 655 | std::string MangleForJni(const std::string& s) { |
| 656 | std::string result; |
| 657 | size_t char_count = CountModifiedUtf8Chars(s.c_str()); |
| 658 | const char* cp = &s[0]; |
| 659 | for (size_t i = 0; i < char_count; ++i) { |
| 660 | uint16_t ch = GetUtf16FromUtf8(&cp); |
Elliott Hughes | d8c00d0 | 2012-01-30 14:08:31 -0800 | [diff] [blame] | 661 | if ((ch >= 'A' && ch <= 'Z') || (ch >= 'a' && ch <= 'z') || (ch >= '0' && ch <= '9')) { |
| 662 | result.push_back(ch); |
| 663 | } else if (ch == '.' || ch == '/') { |
| 664 | result += "_"; |
| 665 | } else if (ch == '_') { |
| 666 | result += "_1"; |
| 667 | } else if (ch == ';') { |
| 668 | result += "_2"; |
| 669 | } else if (ch == '[') { |
| 670 | result += "_3"; |
Elliott Hughes | 79082e3 | 2011-08-25 12:07:32 -0700 | [diff] [blame] | 671 | } else { |
Elliott Hughes | d8c00d0 | 2012-01-30 14:08:31 -0800 | [diff] [blame] | 672 | StringAppendF(&result, "_0%04x", ch); |
Elliott Hughes | 79082e3 | 2011-08-25 12:07:32 -0700 | [diff] [blame] | 673 | } |
| 674 | } |
| 675 | return result; |
| 676 | } |
| 677 | |
Brian Carlstrom | f91c8c3 | 2011-09-21 17:30:34 -0700 | [diff] [blame] | 678 | std::string DotToDescriptor(const char* class_name) { |
| 679 | std::string descriptor(class_name); |
| 680 | std::replace(descriptor.begin(), descriptor.end(), '.', '/'); |
| 681 | if (descriptor.length() > 0 && descriptor[0] != '[') { |
| 682 | descriptor = "L" + descriptor + ";"; |
| 683 | } |
| 684 | return descriptor; |
| 685 | } |
| 686 | |
Elliott Hughes | f1a5adc | 2012-02-10 18:09:35 -0800 | [diff] [blame] | 687 | std::string DescriptorToDot(const char* descriptor) { |
Elliott Hughes | 2435a57 | 2012-02-17 16:07:41 -0800 | [diff] [blame] | 688 | size_t length = strlen(descriptor); |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 689 | if (length > 1) { |
| 690 | if (descriptor[0] == 'L' && descriptor[length - 1] == ';') { |
| 691 | // Descriptors have the leading 'L' and trailing ';' stripped. |
| 692 | std::string result(descriptor + 1, length - 2); |
| 693 | std::replace(result.begin(), result.end(), '/', '.'); |
| 694 | return result; |
| 695 | } else { |
| 696 | // For arrays the 'L' and ';' remain intact. |
| 697 | std::string result(descriptor); |
| 698 | std::replace(result.begin(), result.end(), '/', '.'); |
| 699 | return result; |
| 700 | } |
Elliott Hughes | 2435a57 | 2012-02-17 16:07:41 -0800 | [diff] [blame] | 701 | } |
Ian Rogers | 1ff3c98 | 2014-08-12 02:30:58 -0700 | [diff] [blame] | 702 | // Do nothing for non-class/array descriptors. |
Elliott Hughes | 2435a57 | 2012-02-17 16:07:41 -0800 | [diff] [blame] | 703 | return descriptor; |
Elliott Hughes | 91bf6cd | 2012-02-14 17:27:48 -0800 | [diff] [blame] | 704 | } |
| 705 | |
| 706 | std::string DescriptorToName(const char* descriptor) { |
Elliott Hughes | f1a5adc | 2012-02-10 18:09:35 -0800 | [diff] [blame] | 707 | size_t length = strlen(descriptor); |
Elliott Hughes | 2435a57 | 2012-02-17 16:07:41 -0800 | [diff] [blame] | 708 | if (descriptor[0] == 'L' && descriptor[length - 1] == ';') { |
| 709 | std::string result(descriptor + 1, length - 2); |
| 710 | return result; |
| 711 | } |
| 712 | return descriptor; |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 713 | } |
| 714 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 715 | std::string JniShortName(mirror::ArtMethod* m) { |
Mathieu Chartier | bfd9a43 | 2014-05-21 17:43:44 -0700 | [diff] [blame] | 716 | std::string class_name(m->GetDeclaringClassDescriptor()); |
Elliott Hughes | 79082e3 | 2011-08-25 12:07:32 -0700 | [diff] [blame] | 717 | // Remove the leading 'L' and trailing ';'... |
Elliott Hughes | f5a7a47 | 2011-10-07 14:31:02 -0700 | [diff] [blame] | 718 | CHECK_EQ(class_name[0], 'L') << class_name; |
| 719 | CHECK_EQ(class_name[class_name.size() - 1], ';') << class_name; |
Elliott Hughes | 79082e3 | 2011-08-25 12:07:32 -0700 | [diff] [blame] | 720 | class_name.erase(0, 1); |
| 721 | class_name.erase(class_name.size() - 1, 1); |
| 722 | |
Mathieu Chartier | bfd9a43 | 2014-05-21 17:43:44 -0700 | [diff] [blame] | 723 | std::string method_name(m->GetName()); |
Elliott Hughes | 79082e3 | 2011-08-25 12:07:32 -0700 | [diff] [blame] | 724 | |
| 725 | std::string short_name; |
| 726 | short_name += "Java_"; |
| 727 | short_name += MangleForJni(class_name); |
| 728 | short_name += "_"; |
| 729 | short_name += MangleForJni(method_name); |
| 730 | return short_name; |
| 731 | } |
| 732 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 733 | std::string JniLongName(mirror::ArtMethod* m) { |
Elliott Hughes | 79082e3 | 2011-08-25 12:07:32 -0700 | [diff] [blame] | 734 | std::string long_name; |
| 735 | long_name += JniShortName(m); |
| 736 | long_name += "__"; |
| 737 | |
Mathieu Chartier | bfd9a43 | 2014-05-21 17:43:44 -0700 | [diff] [blame] | 738 | std::string signature(m->GetSignature().ToString()); |
Elliott Hughes | 79082e3 | 2011-08-25 12:07:32 -0700 | [diff] [blame] | 739 | signature.erase(0, 1); |
| 740 | signature.erase(signature.begin() + signature.find(')'), signature.end()); |
| 741 | |
| 742 | long_name += MangleForJni(signature); |
| 743 | |
| 744 | return long_name; |
| 745 | } |
| 746 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 747 | // Helper for IsValidPartOfMemberNameUtf8(), a bit vector indicating valid low ascii. |
Elliott Hughes | 64bf5a3 | 2011-09-20 14:43:12 -0700 | [diff] [blame] | 748 | uint32_t DEX_MEMBER_VALID_LOW_ASCII[4] = { |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 749 | 0x00000000, // 00..1f low control characters; nothing valid |
| 750 | 0x03ff2010, // 20..3f digits and symbols; valid: '0'..'9', '$', '-' |
| 751 | 0x87fffffe, // 40..5f uppercase etc.; valid: 'A'..'Z', '_' |
| 752 | 0x07fffffe // 60..7f lowercase etc.; valid: 'a'..'z' |
Elliott Hughes | 64bf5a3 | 2011-09-20 14:43:12 -0700 | [diff] [blame] | 753 | }; |
| 754 | |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 755 | // Helper for IsValidPartOfMemberNameUtf8(); do not call directly. |
| 756 | bool IsValidPartOfMemberNameUtf8Slow(const char** pUtf8Ptr) { |
Elliott Hughes | 64bf5a3 | 2011-09-20 14:43:12 -0700 | [diff] [blame] | 757 | /* |
| 758 | * It's a multibyte encoded character. Decode it and analyze. We |
| 759 | * accept anything that isn't (a) an improperly encoded low value, |
| 760 | * (b) an improper surrogate pair, (c) an encoded '\0', (d) a high |
| 761 | * control character, or (e) a high space, layout, or special |
| 762 | * character (U+00a0, U+2000..U+200f, U+2028..U+202f, |
| 763 | * U+fff0..U+ffff). This is all specified in the dex format |
| 764 | * document. |
| 765 | */ |
| 766 | |
| 767 | uint16_t utf16 = GetUtf16FromUtf8(pUtf8Ptr); |
| 768 | |
| 769 | // Perform follow-up tests based on the high 8 bits. |
| 770 | switch (utf16 >> 8) { |
| 771 | case 0x00: |
| 772 | // It's only valid if it's above the ISO-8859-1 high space (0xa0). |
| 773 | return (utf16 > 0x00a0); |
| 774 | case 0xd8: |
| 775 | case 0xd9: |
| 776 | case 0xda: |
| 777 | case 0xdb: |
| 778 | // It's a leading surrogate. Check to see that a trailing |
| 779 | // surrogate follows. |
| 780 | utf16 = GetUtf16FromUtf8(pUtf8Ptr); |
| 781 | return (utf16 >= 0xdc00) && (utf16 <= 0xdfff); |
| 782 | case 0xdc: |
| 783 | case 0xdd: |
| 784 | case 0xde: |
| 785 | case 0xdf: |
| 786 | // It's a trailing surrogate, which is not valid at this point. |
| 787 | return false; |
| 788 | case 0x20: |
| 789 | case 0xff: |
| 790 | // It's in the range that has spaces, controls, and specials. |
| 791 | switch (utf16 & 0xfff8) { |
| 792 | case 0x2000: |
| 793 | case 0x2008: |
| 794 | case 0x2028: |
| 795 | case 0xfff0: |
| 796 | case 0xfff8: |
| 797 | return false; |
| 798 | } |
| 799 | break; |
| 800 | } |
| 801 | return true; |
| 802 | } |
| 803 | |
| 804 | /* Return whether the pointed-at modified-UTF-8 encoded character is |
| 805 | * valid as part of a member name, updating the pointer to point past |
| 806 | * the consumed character. This will consume two encoded UTF-16 code |
| 807 | * points if the character is encoded as a surrogate pair. Also, if |
| 808 | * this function returns false, then the given pointer may only have |
| 809 | * been partially advanced. |
| 810 | */ |
Ian Rogers | 8d31bbd | 2013-10-13 10:44:14 -0700 | [diff] [blame] | 811 | static bool IsValidPartOfMemberNameUtf8(const char** pUtf8Ptr) { |
Elliott Hughes | 64bf5a3 | 2011-09-20 14:43:12 -0700 | [diff] [blame] | 812 | uint8_t c = (uint8_t) **pUtf8Ptr; |
Ian Rogers | 8d31bbd | 2013-10-13 10:44:14 -0700 | [diff] [blame] | 813 | if (LIKELY(c <= 0x7f)) { |
Elliott Hughes | 64bf5a3 | 2011-09-20 14:43:12 -0700 | [diff] [blame] | 814 | // It's low-ascii, so check the table. |
| 815 | uint32_t wordIdx = c >> 5; |
| 816 | uint32_t bitIdx = c & 0x1f; |
| 817 | (*pUtf8Ptr)++; |
| 818 | return (DEX_MEMBER_VALID_LOW_ASCII[wordIdx] & (1 << bitIdx)) != 0; |
| 819 | } |
| 820 | |
| 821 | // It's a multibyte encoded character. Call a non-inline function |
| 822 | // for the heavy lifting. |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 823 | return IsValidPartOfMemberNameUtf8Slow(pUtf8Ptr); |
| 824 | } |
| 825 | |
| 826 | bool IsValidMemberName(const char* s) { |
| 827 | bool angle_name = false; |
| 828 | |
Elliott Hughes | b25c3f6 | 2012-03-26 16:35:06 -0700 | [diff] [blame] | 829 | switch (*s) { |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 830 | case '\0': |
| 831 | // The empty string is not a valid name. |
| 832 | return false; |
| 833 | case '<': |
| 834 | angle_name = true; |
| 835 | s++; |
| 836 | break; |
| 837 | } |
| 838 | |
| 839 | while (true) { |
| 840 | switch (*s) { |
| 841 | case '\0': |
| 842 | return !angle_name; |
| 843 | case '>': |
| 844 | return angle_name && s[1] == '\0'; |
| 845 | } |
| 846 | |
| 847 | if (!IsValidPartOfMemberNameUtf8(&s)) { |
| 848 | return false; |
| 849 | } |
| 850 | } |
Elliott Hughes | 64bf5a3 | 2011-09-20 14:43:12 -0700 | [diff] [blame] | 851 | } |
| 852 | |
Elliott Hughes | 906e685 | 2011-10-28 14:52:10 -0700 | [diff] [blame] | 853 | enum ClassNameType { kName, kDescriptor }; |
Ian Rogers | 7b078e8 | 2014-09-10 14:44:24 -0700 | [diff] [blame] | 854 | template<ClassNameType kType, char kSeparator> |
| 855 | static bool IsValidClassName(const char* s) { |
Elliott Hughes | 64bf5a3 | 2011-09-20 14:43:12 -0700 | [diff] [blame] | 856 | int arrayCount = 0; |
| 857 | while (*s == '[') { |
| 858 | arrayCount++; |
| 859 | s++; |
| 860 | } |
| 861 | |
| 862 | if (arrayCount > 255) { |
| 863 | // Arrays may have no more than 255 dimensions. |
| 864 | return false; |
| 865 | } |
| 866 | |
Ian Rogers | 7b078e8 | 2014-09-10 14:44:24 -0700 | [diff] [blame] | 867 | ClassNameType type = kType; |
| 868 | if (type != kDescriptor && arrayCount != 0) { |
Elliott Hughes | 64bf5a3 | 2011-09-20 14:43:12 -0700 | [diff] [blame] | 869 | /* |
| 870 | * If we're looking at an array of some sort, then it doesn't |
| 871 | * matter if what is being asked for is a class name; the |
| 872 | * format looks the same as a type descriptor in that case, so |
| 873 | * treat it as such. |
| 874 | */ |
Elliott Hughes | 906e685 | 2011-10-28 14:52:10 -0700 | [diff] [blame] | 875 | type = kDescriptor; |
Elliott Hughes | 64bf5a3 | 2011-09-20 14:43:12 -0700 | [diff] [blame] | 876 | } |
| 877 | |
Elliott Hughes | 906e685 | 2011-10-28 14:52:10 -0700 | [diff] [blame] | 878 | if (type == kDescriptor) { |
Elliott Hughes | 64bf5a3 | 2011-09-20 14:43:12 -0700 | [diff] [blame] | 879 | /* |
| 880 | * We are looking for a descriptor. Either validate it as a |
| 881 | * single-character primitive type, or continue on to check the |
| 882 | * embedded class name (bracketed by "L" and ";"). |
| 883 | */ |
| 884 | switch (*(s++)) { |
| 885 | case 'B': |
| 886 | case 'C': |
| 887 | case 'D': |
| 888 | case 'F': |
| 889 | case 'I': |
| 890 | case 'J': |
| 891 | case 'S': |
| 892 | case 'Z': |
| 893 | // These are all single-character descriptors for primitive types. |
| 894 | return (*s == '\0'); |
| 895 | case 'V': |
| 896 | // Non-array void is valid, but you can't have an array of void. |
| 897 | return (arrayCount == 0) && (*s == '\0'); |
| 898 | case 'L': |
| 899 | // Class name: Break out and continue below. |
| 900 | break; |
| 901 | default: |
| 902 | // Oddball descriptor character. |
| 903 | return false; |
| 904 | } |
| 905 | } |
| 906 | |
| 907 | /* |
| 908 | * We just consumed the 'L' that introduces a class name as part |
| 909 | * of a type descriptor, or we are looking for an unadorned class |
| 910 | * name. |
| 911 | */ |
| 912 | |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 913 | bool sepOrFirst = true; // first character or just encountered a separator. |
Elliott Hughes | 64bf5a3 | 2011-09-20 14:43:12 -0700 | [diff] [blame] | 914 | for (;;) { |
| 915 | uint8_t c = (uint8_t) *s; |
| 916 | switch (c) { |
| 917 | case '\0': |
| 918 | /* |
| 919 | * Premature end for a type descriptor, but valid for |
| 920 | * a class name as long as we haven't encountered an |
| 921 | * empty component (including the degenerate case of |
| 922 | * the empty string ""). |
| 923 | */ |
Elliott Hughes | 906e685 | 2011-10-28 14:52:10 -0700 | [diff] [blame] | 924 | return (type == kName) && !sepOrFirst; |
Elliott Hughes | 64bf5a3 | 2011-09-20 14:43:12 -0700 | [diff] [blame] | 925 | case ';': |
| 926 | /* |
| 927 | * Invalid character for a class name, but the |
| 928 | * legitimate end of a type descriptor. In the latter |
| 929 | * case, make sure that this is the end of the string |
| 930 | * and that it doesn't end with an empty component |
| 931 | * (including the degenerate case of "L;"). |
| 932 | */ |
Elliott Hughes | 906e685 | 2011-10-28 14:52:10 -0700 | [diff] [blame] | 933 | return (type == kDescriptor) && !sepOrFirst && (s[1] == '\0'); |
Elliott Hughes | 64bf5a3 | 2011-09-20 14:43:12 -0700 | [diff] [blame] | 934 | case '/': |
| 935 | case '.': |
Ian Rogers | 7b078e8 | 2014-09-10 14:44:24 -0700 | [diff] [blame] | 936 | if (c != kSeparator) { |
Elliott Hughes | 64bf5a3 | 2011-09-20 14:43:12 -0700 | [diff] [blame] | 937 | // The wrong separator character. |
| 938 | return false; |
| 939 | } |
| 940 | if (sepOrFirst) { |
| 941 | // Separator at start or two separators in a row. |
| 942 | return false; |
| 943 | } |
| 944 | sepOrFirst = true; |
| 945 | s++; |
| 946 | break; |
| 947 | default: |
jeffhao | 10037c8 | 2012-01-23 15:06:23 -0800 | [diff] [blame] | 948 | if (!IsValidPartOfMemberNameUtf8(&s)) { |
Elliott Hughes | 64bf5a3 | 2011-09-20 14:43:12 -0700 | [diff] [blame] | 949 | return false; |
| 950 | } |
| 951 | sepOrFirst = false; |
| 952 | break; |
| 953 | } |
| 954 | } |
| 955 | } |
| 956 | |
Elliott Hughes | 906e685 | 2011-10-28 14:52:10 -0700 | [diff] [blame] | 957 | bool IsValidBinaryClassName(const char* s) { |
Ian Rogers | 7b078e8 | 2014-09-10 14:44:24 -0700 | [diff] [blame] | 958 | return IsValidClassName<kName, '.'>(s); |
Elliott Hughes | 906e685 | 2011-10-28 14:52:10 -0700 | [diff] [blame] | 959 | } |
| 960 | |
| 961 | bool IsValidJniClassName(const char* s) { |
Ian Rogers | 7b078e8 | 2014-09-10 14:44:24 -0700 | [diff] [blame] | 962 | return IsValidClassName<kName, '/'>(s); |
Elliott Hughes | 906e685 | 2011-10-28 14:52:10 -0700 | [diff] [blame] | 963 | } |
| 964 | |
| 965 | bool IsValidDescriptor(const char* s) { |
Ian Rogers | 7b078e8 | 2014-09-10 14:44:24 -0700 | [diff] [blame] | 966 | return IsValidClassName<kDescriptor, '/'>(s); |
Elliott Hughes | 906e685 | 2011-10-28 14:52:10 -0700 | [diff] [blame] | 967 | } |
| 968 | |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 969 | void Split(const std::string& s, char separator, std::vector<std::string>* result) { |
Elliott Hughes | 3402380 | 2011-08-30 12:06:17 -0700 | [diff] [blame] | 970 | const char* p = s.data(); |
| 971 | const char* end = p + s.size(); |
| 972 | while (p != end) { |
Elliott Hughes | 48436bb | 2012-02-07 15:23:28 -0800 | [diff] [blame] | 973 | if (*p == separator) { |
Elliott Hughes | 3402380 | 2011-08-30 12:06:17 -0700 | [diff] [blame] | 974 | ++p; |
| 975 | } else { |
| 976 | const char* start = p; |
Elliott Hughes | 48436bb | 2012-02-07 15:23:28 -0800 | [diff] [blame] | 977 | while (++p != end && *p != separator) { |
| 978 | // Skip to the next occurrence of the separator. |
Elliott Hughes | 3402380 | 2011-08-30 12:06:17 -0700 | [diff] [blame] | 979 | } |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 980 | result->push_back(std::string(start, p - start)); |
Elliott Hughes | 3402380 | 2011-08-30 12:06:17 -0700 | [diff] [blame] | 981 | } |
| 982 | } |
| 983 | } |
| 984 | |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 985 | std::string Trim(const std::string& s) { |
Dave Allison | 7020278 | 2013-10-22 17:52:19 -0700 | [diff] [blame] | 986 | std::string result; |
| 987 | unsigned int start_index = 0; |
| 988 | unsigned int end_index = s.size() - 1; |
| 989 | |
| 990 | // Skip initial whitespace. |
| 991 | while (start_index < s.size()) { |
| 992 | if (!isspace(s[start_index])) { |
| 993 | break; |
| 994 | } |
| 995 | start_index++; |
| 996 | } |
| 997 | |
| 998 | // Skip terminating whitespace. |
| 999 | while (end_index >= start_index) { |
| 1000 | if (!isspace(s[end_index])) { |
| 1001 | break; |
| 1002 | } |
| 1003 | end_index--; |
| 1004 | } |
| 1005 | |
| 1006 | // All spaces, no beef. |
| 1007 | if (end_index < start_index) { |
| 1008 | return ""; |
| 1009 | } |
| 1010 | // Start_index is the first non-space, end_index is the last one. |
| 1011 | return s.substr(start_index, end_index - start_index + 1); |
| 1012 | } |
| 1013 | |
Elliott Hughes | 48436bb | 2012-02-07 15:23:28 -0800 | [diff] [blame] | 1014 | template <typename StringT> |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 1015 | std::string Join(const std::vector<StringT>& strings, char separator) { |
Elliott Hughes | 48436bb | 2012-02-07 15:23:28 -0800 | [diff] [blame] | 1016 | if (strings.empty()) { |
| 1017 | return ""; |
| 1018 | } |
| 1019 | |
| 1020 | std::string result(strings[0]); |
| 1021 | for (size_t i = 1; i < strings.size(); ++i) { |
| 1022 | result += separator; |
| 1023 | result += strings[i]; |
| 1024 | } |
| 1025 | return result; |
| 1026 | } |
| 1027 | |
| 1028 | // Explicit instantiations. |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 1029 | template std::string Join<std::string>(const std::vector<std::string>& strings, char separator); |
| 1030 | template std::string Join<const char*>(const std::vector<const char*>& strings, char separator); |
Elliott Hughes | 48436bb | 2012-02-07 15:23:28 -0800 | [diff] [blame] | 1031 | |
Elliott Hughes | f1a5adc | 2012-02-10 18:09:35 -0800 | [diff] [blame] | 1032 | bool StartsWith(const std::string& s, const char* prefix) { |
| 1033 | return s.compare(0, strlen(prefix), prefix) == 0; |
| 1034 | } |
| 1035 | |
Brian Carlstrom | 7a967b3 | 2012-03-28 15:23:10 -0700 | [diff] [blame] | 1036 | bool EndsWith(const std::string& s, const char* suffix) { |
| 1037 | size_t suffix_length = strlen(suffix); |
| 1038 | size_t string_length = s.size(); |
| 1039 | if (suffix_length > string_length) { |
| 1040 | return false; |
| 1041 | } |
| 1042 | size_t offset = string_length - suffix_length; |
| 1043 | return s.compare(offset, suffix_length, suffix) == 0; |
| 1044 | } |
| 1045 | |
Elliott Hughes | 22869a9 | 2012-03-27 14:08:24 -0700 | [diff] [blame] | 1046 | void SetThreadName(const char* thread_name) { |
Elliott Hughes | dcc2474 | 2011-09-07 14:02:44 -0700 | [diff] [blame] | 1047 | int hasAt = 0; |
| 1048 | int hasDot = 0; |
Elliott Hughes | 22869a9 | 2012-03-27 14:08:24 -0700 | [diff] [blame] | 1049 | const char* s = thread_name; |
Elliott Hughes | dcc2474 | 2011-09-07 14:02:44 -0700 | [diff] [blame] | 1050 | while (*s) { |
| 1051 | if (*s == '.') { |
| 1052 | hasDot = 1; |
| 1053 | } else if (*s == '@') { |
| 1054 | hasAt = 1; |
| 1055 | } |
| 1056 | s++; |
| 1057 | } |
Elliott Hughes | 22869a9 | 2012-03-27 14:08:24 -0700 | [diff] [blame] | 1058 | int len = s - thread_name; |
Elliott Hughes | dcc2474 | 2011-09-07 14:02:44 -0700 | [diff] [blame] | 1059 | if (len < 15 || hasAt || !hasDot) { |
Elliott Hughes | 22869a9 | 2012-03-27 14:08:24 -0700 | [diff] [blame] | 1060 | s = thread_name; |
Elliott Hughes | dcc2474 | 2011-09-07 14:02:44 -0700 | [diff] [blame] | 1061 | } else { |
Elliott Hughes | 22869a9 | 2012-03-27 14:08:24 -0700 | [diff] [blame] | 1062 | s = thread_name + len - 15; |
Elliott Hughes | dcc2474 | 2011-09-07 14:02:44 -0700 | [diff] [blame] | 1063 | } |
Elliott Hughes | 49e36ec | 2014-08-20 20:18:18 -0700 | [diff] [blame] | 1064 | #if defined(__BIONIC__) |
Elliott Hughes | 7c6a61e | 2012-03-12 18:01:41 -0700 | [diff] [blame] | 1065 | // pthread_setname_np fails rather than truncating long strings. |
Elliott Hughes | dcc2474 | 2011-09-07 14:02:44 -0700 | [diff] [blame] | 1066 | char buf[16]; // MAX_TASK_COMM_LEN=16 is hard-coded into bionic |
| 1067 | strncpy(buf, s, sizeof(buf)-1); |
| 1068 | buf[sizeof(buf)-1] = '\0'; |
| 1069 | errno = pthread_setname_np(pthread_self(), buf); |
| 1070 | if (errno != 0) { |
| 1071 | PLOG(WARNING) << "Unable to set the name of current thread to '" << buf << "'"; |
| 1072 | } |
Elliott Hughes | 4ae722a | 2012-03-13 11:08:51 -0700 | [diff] [blame] | 1073 | #elif defined(__APPLE__) && MAC_OS_X_VERSION_MAX_ALLOWED >= 1060 |
Elliott Hughes | 22869a9 | 2012-03-27 14:08:24 -0700 | [diff] [blame] | 1074 | pthread_setname_np(thread_name); |
Elliott Hughes | dcc2474 | 2011-09-07 14:02:44 -0700 | [diff] [blame] | 1075 | #elif defined(HAVE_PRCTL) |
Elliott Hughes | 398f64b | 2012-03-26 18:05:48 -0700 | [diff] [blame] | 1076 | prctl(PR_SET_NAME, (unsigned long) s, 0, 0, 0); // NOLINT (unsigned long) |
Elliott Hughes | dcc2474 | 2011-09-07 14:02:44 -0700 | [diff] [blame] | 1077 | #else |
Elliott Hughes | 22869a9 | 2012-03-27 14:08:24 -0700 | [diff] [blame] | 1078 | UNIMPLEMENTED(WARNING) << thread_name; |
Elliott Hughes | dcc2474 | 2011-09-07 14:02:44 -0700 | [diff] [blame] | 1079 | #endif |
| 1080 | } |
| 1081 | |
Brian Carlstrom | 2921201 | 2013-09-12 22:18:30 -0700 | [diff] [blame] | 1082 | void GetTaskStats(pid_t tid, char* state, int* utime, int* stime, int* task_cpu) { |
| 1083 | *utime = *stime = *task_cpu = 0; |
Elliott Hughes | bfe487b | 2011-10-26 15:48:55 -0700 | [diff] [blame] | 1084 | std::string stats; |
Elliott Hughes | 8a31b50 | 2012-04-30 19:36:11 -0700 | [diff] [blame] | 1085 | if (!ReadFileToString(StringPrintf("/proc/self/task/%d/stat", tid), &stats)) { |
Elliott Hughes | bfe487b | 2011-10-26 15:48:55 -0700 | [diff] [blame] | 1086 | return; |
| 1087 | } |
| 1088 | // Skip the command, which may contain spaces. |
| 1089 | stats = stats.substr(stats.find(')') + 2); |
| 1090 | // Extract the three fields we care about. |
| 1091 | std::vector<std::string> fields; |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 1092 | Split(stats, ' ', &fields); |
Brian Carlstrom | 2921201 | 2013-09-12 22:18:30 -0700 | [diff] [blame] | 1093 | *state = fields[0][0]; |
| 1094 | *utime = strtoull(fields[11].c_str(), NULL, 10); |
| 1095 | *stime = strtoull(fields[12].c_str(), NULL, 10); |
| 1096 | *task_cpu = strtoull(fields[36].c_str(), NULL, 10); |
Elliott Hughes | bfe487b | 2011-10-26 15:48:55 -0700 | [diff] [blame] | 1097 | } |
| 1098 | |
Elliott Hughes | 1bac54f | 2012-03-16 12:48:31 -0700 | [diff] [blame] | 1099 | std::string GetSchedulerGroupName(pid_t tid) { |
| 1100 | // /proc/<pid>/cgroup looks like this: |
| 1101 | // 2:devices:/ |
| 1102 | // 1:cpuacct,cpu:/ |
| 1103 | // We want the third field from the line whose second field contains the "cpu" token. |
| 1104 | std::string cgroup_file; |
| 1105 | if (!ReadFileToString(StringPrintf("/proc/self/task/%d/cgroup", tid), &cgroup_file)) { |
| 1106 | return ""; |
| 1107 | } |
| 1108 | std::vector<std::string> cgroup_lines; |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 1109 | Split(cgroup_file, '\n', &cgroup_lines); |
Elliott Hughes | 1bac54f | 2012-03-16 12:48:31 -0700 | [diff] [blame] | 1110 | for (size_t i = 0; i < cgroup_lines.size(); ++i) { |
| 1111 | std::vector<std::string> cgroup_fields; |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 1112 | Split(cgroup_lines[i], ':', &cgroup_fields); |
Elliott Hughes | 1bac54f | 2012-03-16 12:48:31 -0700 | [diff] [blame] | 1113 | std::vector<std::string> cgroups; |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 1114 | Split(cgroup_fields[1], ',', &cgroups); |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 1115 | for (size_t j = 0; j < cgroups.size(); ++j) { |
| 1116 | if (cgroups[j] == "cpu") { |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 1117 | return cgroup_fields[2].substr(1); // Skip the leading slash. |
Elliott Hughes | 1bac54f | 2012-03-16 12:48:31 -0700 | [diff] [blame] | 1118 | } |
| 1119 | } |
| 1120 | } |
| 1121 | return ""; |
| 1122 | } |
| 1123 | |
Andreas Gampe | 8e1cb91 | 2015-01-08 20:11:09 -0800 | [diff] [blame] | 1124 | #if defined(__linux__) |
| 1125 | static bool RunCommand(std::string cmd, std::ostream* os, const char* prefix) { |
| 1126 | FILE* stream = popen(cmd.c_str(), "r"); |
| 1127 | if (stream) { |
| 1128 | if (os != nullptr) { |
| 1129 | bool odd_line = true; // We indent them differently. |
| 1130 | constexpr size_t kMaxBuffer = 128; // Relatively small buffer. Should be OK as we're on an |
| 1131 | // alt stack, but just to be sure... |
| 1132 | char buffer[kMaxBuffer]; |
| 1133 | while (!feof(stream)) { |
| 1134 | if (fgets(buffer, kMaxBuffer, stream) != nullptr) { |
| 1135 | // Split on newlines. |
| 1136 | char* tmp = buffer; |
| 1137 | for (;;) { |
| 1138 | char* new_line = strchr(tmp, '\n'); |
| 1139 | if (new_line == nullptr) { |
| 1140 | // Print the rest. |
| 1141 | if (*tmp != 0) { |
| 1142 | if (prefix != nullptr) { |
| 1143 | *os << prefix; |
| 1144 | } |
| 1145 | if (!odd_line) { |
| 1146 | *os << " "; |
| 1147 | } |
| 1148 | *os << tmp; |
| 1149 | } |
| 1150 | break; |
| 1151 | } |
| 1152 | if (prefix != nullptr) { |
| 1153 | *os << prefix; |
| 1154 | } |
| 1155 | *os << " "; |
| 1156 | if (!odd_line) { |
| 1157 | *os << " "; |
| 1158 | } |
| 1159 | char saved = *(new_line + 1); |
| 1160 | *(new_line + 1) = 0; |
| 1161 | *os << tmp; |
| 1162 | *(new_line + 1) = saved; |
| 1163 | tmp = new_line + 1; |
| 1164 | odd_line = !odd_line; |
| 1165 | } |
| 1166 | } |
| 1167 | } |
| 1168 | } |
| 1169 | pclose(stream); |
| 1170 | return true; |
| 1171 | } else { |
| 1172 | return false; |
| 1173 | } |
| 1174 | } |
| 1175 | |
| 1176 | static void Addr2line(const std::string& map_src, uintptr_t offset, std::ostream& os, |
| 1177 | const char* prefix) { |
| 1178 | std::string cmdline(StringPrintf("addr2line --functions --inlines --demangle -e %s %zx", |
| 1179 | map_src.c_str(), offset)); |
| 1180 | RunCommand(cmdline.c_str(), &os, prefix); |
| 1181 | } |
| 1182 | #endif |
| 1183 | |
Christopher Ferris | a2cee18 | 2014-04-16 19:13:59 -0700 | [diff] [blame] | 1184 | void DumpNativeStack(std::ostream& os, pid_t tid, const char* prefix, |
Andreas Gampe | 628a61a | 2015-01-07 22:08:35 -0800 | [diff] [blame] | 1185 | mirror::ArtMethod* current_method, void* ucontext_ptr) { |
Ian Rogers | 83597d0 | 2014-11-20 10:29:00 -0800 | [diff] [blame] | 1186 | #if __linux__ |
Andreas Gampe | d757632 | 2014-10-24 22:13:45 -0700 | [diff] [blame] | 1187 | // b/18119146 |
| 1188 | if (RUNNING_ON_VALGRIND != 0) { |
| 1189 | return; |
| 1190 | } |
| 1191 | |
Ian Rogers | edfdaf3 | 2014-12-05 16:12:21 +0000 | [diff] [blame] | 1192 | #if !defined(HAVE_ANDROID_OS) |
| 1193 | if (GetTid() != tid) { |
| 1194 | // TODO: dumping of other threads is disabled to avoid crashes during stress testing. |
| 1195 | // b/15446488. |
| 1196 | return; |
| 1197 | } |
| 1198 | #endif |
| 1199 | |
Ian Rogers | 700a402 | 2014-05-19 16:49:03 -0700 | [diff] [blame] | 1200 | std::unique_ptr<Backtrace> backtrace(Backtrace::Create(BACKTRACE_CURRENT_PROCESS, tid)); |
Andreas Gampe | 628a61a | 2015-01-07 22:08:35 -0800 | [diff] [blame] | 1201 | if (!backtrace->Unwind(0, reinterpret_cast<ucontext*>(ucontext_ptr))) { |
Christopher Ferris | 7b5f0cf | 2013-11-01 15:18:45 -0700 | [diff] [blame] | 1202 | os << prefix << "(backtrace::Unwind failed for thread " << tid << ")\n"; |
Elliott Hughes | 46e251b | 2012-05-22 15:10:45 -0700 | [diff] [blame] | 1203 | return; |
Christopher Ferris | 7b5f0cf | 2013-11-01 15:18:45 -0700 | [diff] [blame] | 1204 | } else if (backtrace->NumFrames() == 0) { |
Elliott Hughes | 225f5a1 | 2012-06-11 11:23:48 -0700 | [diff] [blame] | 1205 | os << prefix << "(no native stack frames for thread " << tid << ")\n"; |
Elliott Hughes | 46e251b | 2012-05-22 15:10:45 -0700 | [diff] [blame] | 1206 | return; |
| 1207 | } |
| 1208 | |
Andreas Gampe | 8e1cb91 | 2015-01-08 20:11:09 -0800 | [diff] [blame] | 1209 | // Check whether we have and should use addr2line. |
| 1210 | bool use_addr2line; |
| 1211 | if (kUseAddr2line) { |
| 1212 | // Try to run it to see whether we have it. Push an argument so that it doesn't assume a.out |
| 1213 | // and print to stderr. |
| 1214 | use_addr2line = RunCommand("addr2line -h", nullptr, nullptr); |
| 1215 | } else { |
| 1216 | use_addr2line = false; |
| 1217 | } |
| 1218 | |
Christopher Ferris | 943af7d | 2014-01-16 12:41:46 -0800 | [diff] [blame] | 1219 | for (Backtrace::const_iterator it = backtrace->begin(); |
| 1220 | it != backtrace->end(); ++it) { |
Elliott Hughes | 46e251b | 2012-05-22 15:10:45 -0700 | [diff] [blame] | 1221 | // We produce output like this: |
Christopher Ferris | a2cee18 | 2014-04-16 19:13:59 -0700 | [diff] [blame] | 1222 | // ] #00 pc 000075bb8 /system/lib/libc.so (unwind_backtrace_thread+536) |
| 1223 | // In order for parsing tools to continue to function, the stack dump |
| 1224 | // format must at least adhere to this format: |
| 1225 | // #XX pc <RELATIVE_ADDR> <FULL_PATH_TO_SHARED_LIBRARY> ... |
| 1226 | // The parsers require a single space before and after pc, and two spaces |
| 1227 | // after the <RELATIVE_ADDR>. There can be any prefix data before the |
| 1228 | // #XX. <RELATIVE_ADDR> has to be a hex number but with no 0x prefix. |
| 1229 | os << prefix << StringPrintf("#%02zu pc ", it->num); |
Andreas Gampe | 8e1cb91 | 2015-01-08 20:11:09 -0800 | [diff] [blame] | 1230 | bool try_addr2line = false; |
Christopher Ferris | a2cee18 | 2014-04-16 19:13:59 -0700 | [diff] [blame] | 1231 | if (!it->map) { |
| 1232 | os << StringPrintf("%08" PRIxPTR " ???", it->pc); |
Christopher Ferris | 7b5f0cf | 2013-11-01 15:18:45 -0700 | [diff] [blame] | 1233 | } else { |
Christopher Ferris | a2cee18 | 2014-04-16 19:13:59 -0700 | [diff] [blame] | 1234 | os << StringPrintf("%08" PRIxPTR " ", it->pc - it->map->start) |
| 1235 | << it->map->name << " ("; |
| 1236 | if (!it->func_name.empty()) { |
| 1237 | os << it->func_name; |
| 1238 | if (it->func_offset != 0) { |
| 1239 | os << "+" << it->func_offset; |
| 1240 | } |
Andreas Gampe | 8e1cb91 | 2015-01-08 20:11:09 -0800 | [diff] [blame] | 1241 | try_addr2line = true; |
Hiroshi Yamauchi | 7895d55 | 2014-08-28 14:55:56 -0700 | [diff] [blame] | 1242 | } else if (current_method != nullptr && |
| 1243 | Locks::mutator_lock_->IsSharedHeld(Thread::Current()) && |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 1244 | current_method->PcIsWithinQuickCode(it->pc)) { |
Brian Carlstrom | 474cc79 | 2014-03-07 14:18:15 -0800 | [diff] [blame] | 1245 | const void* start_of_code = current_method->GetEntryPointFromQuickCompiledCode(); |
| 1246 | os << JniLongName(current_method) << "+" |
| 1247 | << (it->pc - reinterpret_cast<uintptr_t>(start_of_code)); |
Kenny Root | 067d20f | 2014-03-05 14:57:21 -0800 | [diff] [blame] | 1248 | } else { |
| 1249 | os << "???"; |
| 1250 | } |
Christopher Ferris | a2cee18 | 2014-04-16 19:13:59 -0700 | [diff] [blame] | 1251 | os << ")"; |
Elliott Hughes | 46e251b | 2012-05-22 15:10:45 -0700 | [diff] [blame] | 1252 | } |
Christopher Ferris | a2cee18 | 2014-04-16 19:13:59 -0700 | [diff] [blame] | 1253 | os << "\n"; |
Andreas Gampe | 8e1cb91 | 2015-01-08 20:11:09 -0800 | [diff] [blame] | 1254 | if (try_addr2line && use_addr2line) { |
| 1255 | Addr2line(it->map->name, it->pc - it->map->start, os, prefix); |
| 1256 | } |
Elliott Hughes | 46e251b | 2012-05-22 15:10:45 -0700 | [diff] [blame] | 1257 | } |
Nicolas Geoffray | e6ac4fd | 2014-11-04 13:03:29 +0000 | [diff] [blame] | 1258 | #else |
Andreas Gampe | 9387c72 | 2015-01-08 11:32:22 -0800 | [diff] [blame] | 1259 | UNUSED(os, tid, prefix, current_method, ucontext_ptr); |
Ian Rogers | c5f1773 | 2014-06-05 20:48:42 -0700 | [diff] [blame] | 1260 | #endif |
Elliott Hughes | 46e251b | 2012-05-22 15:10:45 -0700 | [diff] [blame] | 1261 | } |
| 1262 | |
Elliott Hughes | 058a6de | 2012-05-24 19:13:02 -0700 | [diff] [blame] | 1263 | #if defined(__APPLE__) |
| 1264 | |
| 1265 | // TODO: is there any way to get the kernel stack on Mac OS? |
| 1266 | void DumpKernelStack(std::ostream&, pid_t, const char*, bool) {} |
| 1267 | |
| 1268 | #else |
| 1269 | |
Elliott Hughes | 46e251b | 2012-05-22 15:10:45 -0700 | [diff] [blame] | 1270 | void DumpKernelStack(std::ostream& os, pid_t tid, const char* prefix, bool include_count) { |
Elliott Hughes | 12a9502 | 2012-05-24 21:41:38 -0700 | [diff] [blame] | 1271 | if (tid == GetTid()) { |
| 1272 | // There's no point showing that we're reading our stack out of /proc! |
| 1273 | return; |
| 1274 | } |
| 1275 | |
Elliott Hughes | 46e251b | 2012-05-22 15:10:45 -0700 | [diff] [blame] | 1276 | std::string kernel_stack_filename(StringPrintf("/proc/self/task/%d/stack", tid)); |
| 1277 | std::string kernel_stack; |
| 1278 | if (!ReadFileToString(kernel_stack_filename, &kernel_stack)) { |
Elliott Hughes | 058a6de | 2012-05-24 19:13:02 -0700 | [diff] [blame] | 1279 | os << prefix << "(couldn't read " << kernel_stack_filename << ")\n"; |
jeffhao | c4c3ee2 | 2012-05-25 16:16:32 -0700 | [diff] [blame] | 1280 | return; |
Elliott Hughes | 46e251b | 2012-05-22 15:10:45 -0700 | [diff] [blame] | 1281 | } |
| 1282 | |
| 1283 | std::vector<std::string> kernel_stack_frames; |
Ian Rogers | 6f3dbba | 2014-10-14 17:41:57 -0700 | [diff] [blame] | 1284 | Split(kernel_stack, '\n', &kernel_stack_frames); |
Elliott Hughes | 46e251b | 2012-05-22 15:10:45 -0700 | [diff] [blame] | 1285 | // We skip the last stack frame because it's always equivalent to "[<ffffffff>] 0xffffffff", |
| 1286 | // which looking at the source appears to be the kernel's way of saying "that's all, folks!". |
| 1287 | kernel_stack_frames.pop_back(); |
| 1288 | for (size_t i = 0; i < kernel_stack_frames.size(); ++i) { |
Brian Carlstrom | 474cc79 | 2014-03-07 14:18:15 -0800 | [diff] [blame] | 1289 | // Turn "[<ffffffff8109156d>] futex_wait_queue_me+0xcd/0x110" |
| 1290 | // into "futex_wait_queue_me+0xcd/0x110". |
Elliott Hughes | 46e251b | 2012-05-22 15:10:45 -0700 | [diff] [blame] | 1291 | const char* text = kernel_stack_frames[i].c_str(); |
| 1292 | const char* close_bracket = strchr(text, ']'); |
| 1293 | if (close_bracket != NULL) { |
| 1294 | text = close_bracket + 2; |
| 1295 | } |
| 1296 | os << prefix; |
| 1297 | if (include_count) { |
| 1298 | os << StringPrintf("#%02zd ", i); |
| 1299 | } |
| 1300 | os << text << "\n"; |
| 1301 | } |
| 1302 | } |
| 1303 | |
| 1304 | #endif |
| 1305 | |
Brian Carlstrom | a56fcd6 | 2012-02-04 21:23:01 -0800 | [diff] [blame] | 1306 | const char* GetAndroidRoot() { |
| 1307 | const char* android_root = getenv("ANDROID_ROOT"); |
| 1308 | if (android_root == NULL) { |
| 1309 | if (OS::DirectoryExists("/system")) { |
| 1310 | android_root = "/system"; |
Brian Carlstrom | a9f1978 | 2011-10-13 00:14:47 -0700 | [diff] [blame] | 1311 | } else { |
Brian Carlstrom | a56fcd6 | 2012-02-04 21:23:01 -0800 | [diff] [blame] | 1312 | LOG(FATAL) << "ANDROID_ROOT not set and /system does not exist"; |
| 1313 | return ""; |
Brian Carlstrom | a9f1978 | 2011-10-13 00:14:47 -0700 | [diff] [blame] | 1314 | } |
| 1315 | } |
Brian Carlstrom | a56fcd6 | 2012-02-04 21:23:01 -0800 | [diff] [blame] | 1316 | if (!OS::DirectoryExists(android_root)) { |
| 1317 | LOG(FATAL) << "Failed to find ANDROID_ROOT directory " << android_root; |
Brian Carlstrom | a9f1978 | 2011-10-13 00:14:47 -0700 | [diff] [blame] | 1318 | return ""; |
| 1319 | } |
Brian Carlstrom | a56fcd6 | 2012-02-04 21:23:01 -0800 | [diff] [blame] | 1320 | return android_root; |
| 1321 | } |
Brian Carlstrom | a9f1978 | 2011-10-13 00:14:47 -0700 | [diff] [blame] | 1322 | |
Brian Carlstrom | a56fcd6 | 2012-02-04 21:23:01 -0800 | [diff] [blame] | 1323 | const char* GetAndroidData() { |
Alex Light | a59dd80 | 2014-07-02 16:28:08 -0700 | [diff] [blame] | 1324 | std::string error_msg; |
| 1325 | const char* dir = GetAndroidDataSafe(&error_msg); |
| 1326 | if (dir != nullptr) { |
| 1327 | return dir; |
| 1328 | } else { |
| 1329 | LOG(FATAL) << error_msg; |
| 1330 | return ""; |
| 1331 | } |
| 1332 | } |
| 1333 | |
| 1334 | const char* GetAndroidDataSafe(std::string* error_msg) { |
Brian Carlstrom | a56fcd6 | 2012-02-04 21:23:01 -0800 | [diff] [blame] | 1335 | const char* android_data = getenv("ANDROID_DATA"); |
| 1336 | if (android_data == NULL) { |
| 1337 | if (OS::DirectoryExists("/data")) { |
| 1338 | android_data = "/data"; |
| 1339 | } else { |
Alex Light | a59dd80 | 2014-07-02 16:28:08 -0700 | [diff] [blame] | 1340 | *error_msg = "ANDROID_DATA not set and /data does not exist"; |
| 1341 | return nullptr; |
Brian Carlstrom | a56fcd6 | 2012-02-04 21:23:01 -0800 | [diff] [blame] | 1342 | } |
| 1343 | } |
| 1344 | if (!OS::DirectoryExists(android_data)) { |
Alex Light | a59dd80 | 2014-07-02 16:28:08 -0700 | [diff] [blame] | 1345 | *error_msg = StringPrintf("Failed to find ANDROID_DATA directory %s", android_data); |
| 1346 | return nullptr; |
Brian Carlstrom | a56fcd6 | 2012-02-04 21:23:01 -0800 | [diff] [blame] | 1347 | } |
| 1348 | return android_data; |
| 1349 | } |
| 1350 | |
Alex Light | a59dd80 | 2014-07-02 16:28:08 -0700 | [diff] [blame] | 1351 | void GetDalvikCache(const char* subdir, const bool create_if_absent, std::string* dalvik_cache, |
Andreas Gampe | 3c13a79 | 2014-09-18 20:56:04 -0700 | [diff] [blame] | 1352 | bool* have_android_data, bool* dalvik_cache_exists, bool* is_global_cache) { |
Alex Light | a59dd80 | 2014-07-02 16:28:08 -0700 | [diff] [blame] | 1353 | CHECK(subdir != nullptr); |
| 1354 | std::string error_msg; |
| 1355 | const char* android_data = GetAndroidDataSafe(&error_msg); |
| 1356 | if (android_data == nullptr) { |
| 1357 | *have_android_data = false; |
| 1358 | *dalvik_cache_exists = false; |
Andreas Gampe | 3c13a79 | 2014-09-18 20:56:04 -0700 | [diff] [blame] | 1359 | *is_global_cache = false; |
Alex Light | a59dd80 | 2014-07-02 16:28:08 -0700 | [diff] [blame] | 1360 | return; |
| 1361 | } else { |
| 1362 | *have_android_data = true; |
| 1363 | } |
| 1364 | const std::string dalvik_cache_root(StringPrintf("%s/dalvik-cache/", android_data)); |
| 1365 | *dalvik_cache = dalvik_cache_root + subdir; |
| 1366 | *dalvik_cache_exists = OS::DirectoryExists(dalvik_cache->c_str()); |
Andreas Gampe | 3c13a79 | 2014-09-18 20:56:04 -0700 | [diff] [blame] | 1367 | *is_global_cache = strcmp(android_data, "/data") == 0; |
| 1368 | if (create_if_absent && !*dalvik_cache_exists && !*is_global_cache) { |
Alex Light | a59dd80 | 2014-07-02 16:28:08 -0700 | [diff] [blame] | 1369 | // Don't create the system's /data/dalvik-cache/... because it needs special permissions. |
| 1370 | *dalvik_cache_exists = ((mkdir(dalvik_cache_root.c_str(), 0700) == 0 || errno == EEXIST) && |
| 1371 | (mkdir(dalvik_cache->c_str(), 0700) == 0 || errno == EEXIST)); |
| 1372 | } |
| 1373 | } |
| 1374 | |
Narayan Kamath | 11d9f06 | 2014-04-23 20:24:57 +0100 | [diff] [blame] | 1375 | std::string GetDalvikCacheOrDie(const char* subdir, const bool create_if_absent) { |
| 1376 | CHECK(subdir != nullptr); |
Brian Carlstrom | 41ccffd | 2014-05-06 10:37:30 -0700 | [diff] [blame] | 1377 | const char* android_data = GetAndroidData(); |
| 1378 | const std::string dalvik_cache_root(StringPrintf("%s/dalvik-cache/", android_data)); |
Narayan Kamath | 11d9f06 | 2014-04-23 20:24:57 +0100 | [diff] [blame] | 1379 | const std::string dalvik_cache = dalvik_cache_root + subdir; |
| 1380 | if (create_if_absent && !OS::DirectoryExists(dalvik_cache.c_str())) { |
Brian Carlstrom | 41ccffd | 2014-05-06 10:37:30 -0700 | [diff] [blame] | 1381 | // Don't create the system's /data/dalvik-cache/... because it needs special permissions. |
| 1382 | if (strcmp(android_data, "/data") != 0) { |
Narayan Kamath | 11d9f06 | 2014-04-23 20:24:57 +0100 | [diff] [blame] | 1383 | int result = mkdir(dalvik_cache_root.c_str(), 0700); |
Narayan Kamath | ef204fa | 2014-04-30 17:25:23 +0100 | [diff] [blame] | 1384 | if (result != 0 && errno != EEXIST) { |
Narayan Kamath | 11d9f06 | 2014-04-23 20:24:57 +0100 | [diff] [blame] | 1385 | PLOG(FATAL) << "Failed to create dalvik-cache directory " << dalvik_cache_root; |
| 1386 | return ""; |
| 1387 | } |
| 1388 | result = mkdir(dalvik_cache.c_str(), 0700); |
| 1389 | if (result != 0) { |
| 1390 | PLOG(FATAL) << "Failed to create dalvik-cache directory " << dalvik_cache; |
Brian Carlstrom | a9f1978 | 2011-10-13 00:14:47 -0700 | [diff] [blame] | 1391 | return ""; |
| 1392 | } |
| 1393 | } else { |
Brian Carlstrom | 7675e16 | 2013-06-10 16:18:04 -0700 | [diff] [blame] | 1394 | LOG(FATAL) << "Failed to find dalvik-cache directory " << dalvik_cache; |
Brian Carlstrom | a9f1978 | 2011-10-13 00:14:47 -0700 | [diff] [blame] | 1395 | return ""; |
| 1396 | } |
| 1397 | } |
Brian Carlstrom | 7675e16 | 2013-06-10 16:18:04 -0700 | [diff] [blame] | 1398 | return dalvik_cache; |
Brian Carlstrom | a9f1978 | 2011-10-13 00:14:47 -0700 | [diff] [blame] | 1399 | } |
| 1400 | |
Alex Light | a59dd80 | 2014-07-02 16:28:08 -0700 | [diff] [blame] | 1401 | bool GetDalvikCacheFilename(const char* location, const char* cache_location, |
| 1402 | std::string* filename, std::string* error_msg) { |
Ian Rogers | e606010 | 2013-05-16 12:01:04 -0700 | [diff] [blame] | 1403 | if (location[0] != '/') { |
Alex Light | a59dd80 | 2014-07-02 16:28:08 -0700 | [diff] [blame] | 1404 | *error_msg = StringPrintf("Expected path in location to be absolute: %s", location); |
| 1405 | return false; |
Ian Rogers | e606010 | 2013-05-16 12:01:04 -0700 | [diff] [blame] | 1406 | } |
Ian Rogers | 8d31bbd | 2013-10-13 10:44:14 -0700 | [diff] [blame] | 1407 | std::string cache_file(&location[1]); // skip leading slash |
Alex Light | 6e183f2 | 2014-07-18 14:57:04 -0700 | [diff] [blame] | 1408 | if (!EndsWith(location, ".dex") && !EndsWith(location, ".art") && !EndsWith(location, ".oat")) { |
Brian Carlstrom | 30e2ea4 | 2013-06-19 23:25:37 -0700 | [diff] [blame] | 1409 | cache_file += "/"; |
| 1410 | cache_file += DexFile::kClassesDex; |
| 1411 | } |
Brian Carlstrom | b7bbba4 | 2011-10-13 14:58:47 -0700 | [diff] [blame] | 1412 | std::replace(cache_file.begin(), cache_file.end(), '/', '@'); |
Alex Light | a59dd80 | 2014-07-02 16:28:08 -0700 | [diff] [blame] | 1413 | *filename = StringPrintf("%s/%s", cache_location, cache_file.c_str()); |
| 1414 | return true; |
| 1415 | } |
| 1416 | |
| 1417 | std::string GetDalvikCacheFilenameOrDie(const char* location, const char* cache_location) { |
| 1418 | std::string ret; |
| 1419 | std::string error_msg; |
| 1420 | if (!GetDalvikCacheFilename(location, cache_location, &ret, &error_msg)) { |
| 1421 | LOG(FATAL) << error_msg; |
| 1422 | } |
| 1423 | return ret; |
Brian Carlstrom | b7bbba4 | 2011-10-13 14:58:47 -0700 | [diff] [blame] | 1424 | } |
| 1425 | |
Brian Carlstrom | 2afe494 | 2014-05-19 10:25:33 -0700 | [diff] [blame] | 1426 | static void InsertIsaDirectory(const InstructionSet isa, std::string* filename) { |
Brian Carlstrom | 0e12bdc | 2014-05-14 17:44:28 -0700 | [diff] [blame] | 1427 | // in = /foo/bar/baz |
| 1428 | // out = /foo/bar/<isa>/baz |
| 1429 | size_t pos = filename->rfind('/'); |
| 1430 | CHECK_NE(pos, std::string::npos) << *filename << " " << isa; |
| 1431 | filename->insert(pos, "/", 1); |
| 1432 | filename->insert(pos + 1, GetInstructionSetString(isa)); |
| 1433 | } |
| 1434 | |
| 1435 | std::string GetSystemImageFilename(const char* location, const InstructionSet isa) { |
| 1436 | // location = /system/framework/boot.art |
| 1437 | // filename = /system/framework/<isa>/boot.art |
| 1438 | std::string filename(location); |
Brian Carlstrom | 2afe494 | 2014-05-19 10:25:33 -0700 | [diff] [blame] | 1439 | InsertIsaDirectory(isa, &filename); |
Brian Carlstrom | 0e12bdc | 2014-05-14 17:44:28 -0700 | [diff] [blame] | 1440 | return filename; |
| 1441 | } |
| 1442 | |
| 1443 | std::string DexFilenameToOdexFilename(const std::string& location, const InstructionSet isa) { |
| 1444 | // location = /foo/bar/baz.jar |
| 1445 | // odex_location = /foo/bar/<isa>/baz.odex |
Andreas Gampe | 833a485 | 2014-05-21 18:46:59 -0700 | [diff] [blame] | 1446 | |
Brian Carlstrom | 0e12bdc | 2014-05-14 17:44:28 -0700 | [diff] [blame] | 1447 | CHECK_GE(location.size(), 4U) << location; // must be at least .123 |
| 1448 | std::string odex_location(location); |
Brian Carlstrom | 2afe494 | 2014-05-19 10:25:33 -0700 | [diff] [blame] | 1449 | InsertIsaDirectory(isa, &odex_location); |
Brian Carlstrom | 0e12bdc | 2014-05-14 17:44:28 -0700 | [diff] [blame] | 1450 | size_t dot_index = odex_location.size() - 3 - 1; // 3=dex or zip or apk |
| 1451 | CHECK_EQ('.', odex_location[dot_index]) << location; |
| 1452 | odex_location.resize(dot_index + 1); |
| 1453 | CHECK_EQ('.', odex_location[odex_location.size()-1]) << location << " " << odex_location; |
| 1454 | odex_location += "odex"; |
| 1455 | return odex_location; |
| 1456 | } |
| 1457 | |
Brian Carlstrom | 7c3d13a | 2013-09-04 17:15:11 -0700 | [diff] [blame] | 1458 | bool IsZipMagic(uint32_t magic) { |
| 1459 | return (('P' == ((magic >> 0) & 0xff)) && |
| 1460 | ('K' == ((magic >> 8) & 0xff))); |
jeffhao | 262bf46 | 2011-10-20 18:36:32 -0700 | [diff] [blame] | 1461 | } |
| 1462 | |
Brian Carlstrom | 7c3d13a | 2013-09-04 17:15:11 -0700 | [diff] [blame] | 1463 | bool IsDexMagic(uint32_t magic) { |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 1464 | return DexFile::IsMagicValid(reinterpret_cast<const uint8_t*>(&magic)); |
Brian Carlstrom | 7a967b3 | 2012-03-28 15:23:10 -0700 | [diff] [blame] | 1465 | } |
| 1466 | |
Brian Carlstrom | 7c3d13a | 2013-09-04 17:15:11 -0700 | [diff] [blame] | 1467 | bool IsOatMagic(uint32_t magic) { |
Ian Rogers | 1373595 | 2014-10-08 12:43:28 -0700 | [diff] [blame] | 1468 | return (memcmp(reinterpret_cast<const uint8_t*>(magic), |
Brian Carlstrom | 7c3d13a | 2013-09-04 17:15:11 -0700 | [diff] [blame] | 1469 | OatHeader::kOatMagic, |
| 1470 | sizeof(OatHeader::kOatMagic)) == 0); |
jeffhao | 262bf46 | 2011-10-20 18:36:32 -0700 | [diff] [blame] | 1471 | } |
| 1472 | |
Brian Carlstrom | 6449c62 | 2014-02-10 23:48:36 -0800 | [diff] [blame] | 1473 | bool Exec(std::vector<std::string>& arg_vector, std::string* error_msg) { |
| 1474 | const std::string command_line(Join(arg_vector, ' ')); |
| 1475 | |
| 1476 | CHECK_GE(arg_vector.size(), 1U) << command_line; |
| 1477 | |
| 1478 | // Convert the args to char pointers. |
| 1479 | const char* program = arg_vector[0].c_str(); |
| 1480 | std::vector<char*> args; |
Brian Carlstrom | 35d8b8e | 2014-02-25 10:51:11 -0800 | [diff] [blame] | 1481 | for (size_t i = 0; i < arg_vector.size(); ++i) { |
| 1482 | const std::string& arg = arg_vector[i]; |
| 1483 | char* arg_str = const_cast<char*>(arg.c_str()); |
| 1484 | CHECK(arg_str != nullptr) << i; |
| 1485 | args.push_back(arg_str); |
Brian Carlstrom | 6449c62 | 2014-02-10 23:48:36 -0800 | [diff] [blame] | 1486 | } |
| 1487 | args.push_back(NULL); |
| 1488 | |
| 1489 | // fork and exec |
| 1490 | pid_t pid = fork(); |
| 1491 | if (pid == 0) { |
| 1492 | // no allocation allowed between fork and exec |
| 1493 | |
| 1494 | // change process groups, so we don't get reaped by ProcessManager |
| 1495 | setpgid(0, 0); |
| 1496 | |
| 1497 | execv(program, &args[0]); |
| 1498 | |
Brian Carlstrom | 13db9aa | 2014-02-27 12:44:32 -0800 | [diff] [blame] | 1499 | PLOG(ERROR) << "Failed to execv(" << command_line << ")"; |
| 1500 | exit(1); |
Brian Carlstrom | 6449c62 | 2014-02-10 23:48:36 -0800 | [diff] [blame] | 1501 | } else { |
| 1502 | if (pid == -1) { |
| 1503 | *error_msg = StringPrintf("Failed to execv(%s) because fork failed: %s", |
| 1504 | command_line.c_str(), strerror(errno)); |
| 1505 | return false; |
| 1506 | } |
| 1507 | |
| 1508 | // wait for subprocess to finish |
| 1509 | int status; |
| 1510 | pid_t got_pid = TEMP_FAILURE_RETRY(waitpid(pid, &status, 0)); |
| 1511 | if (got_pid != pid) { |
| 1512 | *error_msg = StringPrintf("Failed after fork for execv(%s) because waitpid failed: " |
| 1513 | "wanted %d, got %d: %s", |
| 1514 | command_line.c_str(), pid, got_pid, strerror(errno)); |
| 1515 | return false; |
| 1516 | } |
| 1517 | if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) { |
| 1518 | *error_msg = StringPrintf("Failed execv(%s) because non-0 exit status", |
| 1519 | command_line.c_str()); |
| 1520 | return false; |
| 1521 | } |
| 1522 | } |
| 1523 | return true; |
| 1524 | } |
| 1525 | |
Tong Shen | 547cdfd | 2014-08-05 01:54:19 -0700 | [diff] [blame] | 1526 | void EncodeUnsignedLeb128(uint32_t data, std::vector<uint8_t>* dst) { |
Yevgeny Rouban | e3ea838 | 2014-08-08 16:29:38 +0700 | [diff] [blame] | 1527 | Leb128Encoder(dst).PushBackUnsigned(data); |
Tong Shen | 547cdfd | 2014-08-05 01:54:19 -0700 | [diff] [blame] | 1528 | } |
| 1529 | |
| 1530 | void EncodeSignedLeb128(int32_t data, std::vector<uint8_t>* dst) { |
Yevgeny Rouban | e3ea838 | 2014-08-08 16:29:38 +0700 | [diff] [blame] | 1531 | Leb128Encoder(dst).PushBackSigned(data); |
Tong Shen | 547cdfd | 2014-08-05 01:54:19 -0700 | [diff] [blame] | 1532 | } |
| 1533 | |
| 1534 | void PushWord(std::vector<uint8_t>* buf, int data) { |
| 1535 | buf->push_back(data & 0xff); |
| 1536 | buf->push_back((data >> 8) & 0xff); |
| 1537 | buf->push_back((data >> 16) & 0xff); |
| 1538 | buf->push_back((data >> 24) & 0xff); |
| 1539 | } |
| 1540 | |
Mathieu Chartier | 7643327 | 2014-09-26 14:32:37 -0700 | [diff] [blame] | 1541 | std::string PrettyDescriptor(Primitive::Type type) { |
| 1542 | return PrettyDescriptor(Primitive::Descriptor(type)); |
| 1543 | } |
| 1544 | |
Elliott Hughes | 42ee142 | 2011-09-06 12:33:32 -0700 | [diff] [blame] | 1545 | } // namespace art |